ithlete Heart Rate Monitor and Receiver

Heart Rate Monitor and ECG Receiver

4.48 out of 5 based on 136 customer ratings
(136 customer reviews)

US$79.99

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Combination package ECG receiver and high quality chest strap monitor.

Best for:

  • Older Apple & Android smartphones
  • Those wanting an HR monitor for use with gym equipment

SKU: H006 Category:

Product Description

Ready to improve performance, prevent overtraining and optimise training? Buy the discounted ithlete combination package today, comprising the ithlete ECG receiver and the Cardiosport chest strap monitor and you’ll have everything you need.

Ithlete ECG Receiver

The ithlete ECG receiver is a small receiver that picks up the signal from your heart rate monitor chest strap. It plugs into the headset jack of your Apple or Android phone, iPod touch or Tablet and picks up the wireless signal from your chest strap, allowing the time gaps between your individual heart beats to be measured very precisely by the ithlete app.

Cardiosport HRM Chest Strap

Whilst ithlete is compatible with most analog heart rate monitor (HRM) chest straps the accuracy of your ithlete reading depends on the quality of the strap you use. If you don’t already own a high quality compatible heart rate monitor (HRM) chest strap, or would like one specifically to use with ithlete, we highly recommend the Cardiosport model. A high quality stretch fabric ensures comfort and ease of use without compromising on accuracy of readings. The Cardiosport heart rate monitor chest strap has a detachable centre module and is machine washable. This chest strap monitor is compatible with the ithlete ECG receiver and most cardio gym equipment for use during exercise and taking your morning HRV reading. The Cardiosport chest strap monitor is produced by a long established UK sports and medical company Cardiosport.

136 reviews for Heart Rate Monitor and ECG Receiver

  1. 5 out of 5

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    A Great way to track signs that otherwise would go unnoticed

  2. 5 out of 5

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    It works exactly as expected without any problems, and I do feel it will help me train better.

  3. 5 out of 5

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    Works very well, so far so good after a couple weeks!

  4. 5 out of 5

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    I can’t really say what I think about ithlete. Why? Because I use medical Heart Rate Variability device in my clinic and this differs greatly, and this is obvious. I bought it for my daughter and she fids it useful in some way. I definitely would recommend this device for use, it is helpful.

  5. 5 out of 5

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    item works as promised, and is quite helpful in terms of determining a day’s ride!

  6. 5 out of 5

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    Amazing product, would recommend to anyone serious about moving forward with their fitness level.

  7. 5 out of 5

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    It is very simple to use and easy to administer in a team setting.

  8. 5 out of 5

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    Seems to work although I was surprised that the two days after completing an ironman my reading came out so high whereas after only one late night out, my reading is very low.

  9. 5 out of 5

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    A very good workout data tool

  10. 5 out of 5

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    The product is great for me as a heptathlete as I use it every morning in order to regulate my training according to how my body is feeling to avoid injury and maximise my training benefits.

  11. 5 out of 5

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    Excellent and easy to use. Perhaps access to research paper links or more scientific data.

  12. 5 out of 5

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    Both the strap and iphone bluetooth extension work regularly. The range of the adapter is very short (I usually need to hold the phone in my hand to get a good reading) but that isn’t very troublesome since the reading only takes one minute and you are standing still

    Maybe a note about wetting the strap on the electrodes would be nice, I had to search around on the web a bit before I realized that this aided the contact.

    I would say the app is overpriced for what it does. I expected a lot more in terms of functionality other than a heart rate number and a few graphs that I can make in excel on my own.

    I think the wave of the future is in empowering individuals with personalized raw data so that they can learn from themselves and draw their own conclusions. Having said that I wish the app would do more to export more raw data such as the RR intervals or maybe even some spectral analysis.

  13. 5 out of 5

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    Good Quality Product

  14. 5 out of 5

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    Works well on the android platform with my Galaxy S3.

  15. 5 out of 5

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    The product provides you with the very important information in the morning – showing you how you’re physical doing after your previous workouts. Making sure that you have recovered and ready for the next workout – that you are not overtraining. It works better for me than using my rest heartrate in the morning. Great product !!!

  16. 5 out of 5

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    I really appreciate the information from this product. I am training daily and I was worried if I was doing too much. The ithelete has given me two red days so far (over 6 weeks) and I take its advice and have a rest day. I am always good to go the next day. There is too much conflicting information available about how much to train and now I have the answer at my fingertips.

  17. 5 out of 5

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    Good product, easy to use, very helpful when monitoring training status.

  18. 5 out of 5

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    Love this product. If you’re an endurance athlete, or involved in any athletic endeavors, this product will steer you to health and fitness. No guess work.

  19. 5 out of 5

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    Love the data, incredibly useful!

  20. 5 out of 5

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    The product is simple to use and does everything that it said it would. You cannot ask for more than that.

  21. 5 out of 5

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    This has been a great product to help monitor workouts, recovery and general health!

  22. 5 out of 5

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    This has been very helpful with troubleshooting lifestyle and recovery factors and is helping me get more from my workouts.

  23. 5 out of 5

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    Works exactly as intended, no complaints.

  24. 5 out of 5

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    Fantastic product

  25. 5 out of 5

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    It is such a useful tool…when I received it. It took over a month to get but I absolutely love it. Worth the wait!

  26. 5 out of 5

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    I am addicted to ithlete for the last 6 months, it’s the pulse of how my body is feeling, for me much more accurate than how I think I am feeling. No hints of over training since getting it but it has been fall and winter… Thanks for such a good product.

  27. 5 out of 5

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    I’ve only had it for a month and it has been amazing to see when I should take a rest or when I should be strong. It has also helped to have a coach who understands the stats and adjusts accordingly.

  28. 5 out of 5

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    Easy to use, inexpensive and a great way to track recovery from training.

  29. 5 out of 5

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    Excellent way to adjust your training and lifestyle around an objective measure such as HRV. Great product! Great Price!

  30. 5 out of 5

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    Great help for those who train. It may interfere with your plans and keep you resting when you planned hard training. But it’s worth to listen to it. For me it works because I used to overtrain myself.

  31. 5 out of 5

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    The product is exactly what I expected. My trainingprogram is mostly based on my feeling, but the HRV gives me useful extra (objective) information.
    It gives me insight in the impact of different types of training.
    It works easy and user friendly.

  32. 5 out of 5

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    Works great and has given me extra confidence in my training knowing when to push it and when to back off.

  33. 5 out of 5

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    Brilliant bit of kit, plugs straight in my phone and away you go, no messing with settings and setup etc.
    User replaceable battery too!
    It’s never failed me and give accurate measurements.
    Well worth the money to know when to rest and train.

  34. 5 out of 5

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    simple to use, does exactly what is asked from it!

  35. 5 out of 5

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    I’m 6’4″ and 230 lbs, and the monitor is plenty big for me, with a nice comfortable strap. A little moisture on the sensors and it’s ready to go. It syncs quickly. On my Droid RAZR, if my sound is muted, things won’t sync, which frustrated me a couple times until I made the connection.

  36. 5 out of 5

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    A great product. It’s great that it’s so affordable and it can have a great importance to your health.

  37. 5 out of 5

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    Find the monitor & receiver straight forward to use &
    look forward to any benefits to my runs/exercise performances.

  38. 5 out of 5

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    Fantastic product, works as described and provides what is claimed.

  39. 5 out of 5

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    Great tool to monitor your stress level. I think it works accurate.

  40. 5 out of 5

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    Everything wad easy – fast delibery!

  41. 5 out of 5

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    Perfect, everything works as expected. This is the most cost effective way to get into HRV monitoring. I would love to see some additional updates. 1) user defined “test” time. 2. some logic to allow multiple test and then take the average. I find big swings in back to back test. I’m in the habit running three test and taking the middle test. Deleting the other two. I would also like to see more “technical” information on the HRV sent with the product. The information on the WEB site is good, I would like you to build on it.

  42. 5 out of 5

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    More current research on HRV.

  43. 5 out of 5

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    Works seamlessly – plus in the adaptor and strap on the monitor, the application fires right up. I’ve had a few force close issues, but nothing serious and no lost data.

  44. 5 out of 5

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    Excellent product. Had issues with dragging myself out to the gym/run when I was exhausted. Thought I’d feel better once there and I was just being lazy. The ithlete will tell me to rest, which I do, and don’t feel guilty. Brilliant!

  45. 5 out of 5

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    Works perfect! Using the HRM and receiver for 7 weeks now. Gives great insight!

  46. 5 out of 5

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    Easy to use, good price and very useful.

  47. 5 out of 5

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    Very user-friendly and seemingly reliable results. It’s been a great benefit in helping me stagger the introduction of additional activity in my programme as I can see when I’ve adjusted to the last increase and am ready to add more.

    I sometimes have trouble getting it to pick up any signal, but dampening the pads on the chest strap with a little warm water does the trick. It’s also highly portable which has been great while travelling.

  48. 5 out of 5

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    My partner and I both love the product. It is easy to use and very useful.

  49. 5 out of 5

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    An easy to use tool to start into the world of HRV and it’s application in sports. As a junior sports medical consultant, ithlete is the app my juniors prefer. The iPhone app is easy to use, the ECG receiver works fine if you hold it close to the chest strap. Once my junior athletes integrate the measuring of HRV into their daily routine, it’s much easier to discuss training and recovery strategies. Another step towards developing autonomous junior athletes!

  50. 5 out of 5

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    My physical therapist recommended I try heart rate variability tracking. Currently I train and race for long distance swim, run and triathlon events. I also have Addison’s disease. This is a disease where the outer cortex of the adrenal glands is completely destroyed by the body’s own immune system. I need to take synthetic adrenal hormones to sustain life. When training for endurance events I need to be very in tune with my recovery and potentially take more adrenal hormones during strenuous or long events. If I do not, symptoms of overtraining can occur immediately and worse I can go into an adrenal crisis. Up until now I have relied on how I feel and the blood tests that my doctors run every few months. This is another tool that helps me measure and keep in tune with my recovery. I am also a coach and I plan to recommend this to athletes who want to improve the quality of their training.

  51. 5 out of 5

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    It has been pretty useful in terms of indicating which days i can train hard and which days are a complete no go. i am still trying to understand it and will be able to evaluate it better in a few months time.

  52. 5 out of 5

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    I really like it so far!

  53. 5 out of 5

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    I gave it as a gift ….

  54. 5 out of 5

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    Excellent product, I am very happy I bought it since it seems to adjust to my physiological patterns. It also correlates with mood by the way, so it is extremely important to take the measurement first thing in the morning. On the negative side, I have an arrhythmia condition triggered by me thinking on my heart beats. The sensor picks up the arrhythmia and stops the process of measurement (quite adequately I think); on one occasion it took me about 40 minutes to have no arrhythmia for the measurement to be taken. It created anxiety and as a result my HRV was VERY low. I am aware of this now so I try not to think about my heart beats and relax even when I know the arrhythmia should be unusual soon after waking up!

  55. 5 out of 5

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    makes measuring HRV trivially easy.

  56. 5 out of 5

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    What can I say? The monitor and receiver do exactly what they are advertised to do, and they appear to be well constructed.

  57. 5 out of 5

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    It does what is advertised.

  58. 5 out of 5

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    Works as designed and provides helpful and interesting information.

  59. 5 out of 5

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    Very good product, simple and effective to use

  60. 5 out of 5

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    I use it every day to monitor my health state.

  61. 5 out of 5

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    Product is very easy to use and the results seem quite reliable

  62. 5 out of 5

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    I only use the receiver – My old belt works fine with receiver so I didnt even unwrap ithlete belt

  63. 5 out of 5

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    Works as expected. It is a quality product.

  64. 5 out of 5

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    HRM works exactly the same as any major brand’s and the ECG receiver as been fully reliable for me. In addition my order arrived very quickly so I’m really pleased.

  65. 5 out of 5

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    heart rate variability is a great tool for training. I’m just gathering data right now and plan on using it during my next marathon build to determine when to go intense and when to hold back.

  66. 5 out of 5

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    Installation and use were easy. Unit gives consistent readings.

  67. 5 out of 5

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    Great product, a must have part of any athletes toolkit

  68. 5 out of 5

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    Excellent…simple and usable. Love it!

  69. 5 out of 5

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    How exercise is applied determines the effect. What we base improvement on is something that can be measured. These measurements consist of a lot of things, such as body part measurements, body composition, amount of weight lifted, repetitions, time under tension, how well we can tolerate a certain amount of exercise , and even general feelings of wellness.
    These Biomarkers are indicative of measurements for comparison. This is important because there is a difference between a typical state, which can be sustained for a long time, and a state of peak condition.
    The accommodation of recovery requirements is perhaps the single most important need for effective training. The failure to provide for adequate recovery can be avoided if measurements of an athlete’s stress reactions are made.
    ithlete provides a simple, cost effective and accurate way to measure physiological strain. The benefits of ithlete are made even more accurate and meaningful when used in conjunction with psychological measures such as exertion estimates.

  70. 5 out of 5

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    very good…..comprehensive instructions and background isupport

  71. 5 out of 5

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    Works very well !

  72. 5 out of 5

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    I’m loving your monitor and iPhone app! I use it several times a day to track my HRV and heart rate. The graphical views and export capability are awesome. Very user friendly and simple.

    I write a blog about fitness and stress resilience. You may be interested in linking to my most recent post, which addresses the use of HRV tracking for non-athletes to bolster their adaptive reserves. It includes several mentions of Ithlete and a compiliation of my self-experiments with your product.

    http://gettingstronger.org/2014/07/track-your-hrv-to-boost-adaptive-reserves/

    Todd

  73. 5 out of 5

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    Excellent tools for tracking data I am interested in; use it daily!

  74. 5 out of 5

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    I am enterely satisfied with the product. It is doing what it is intended to do.

  75. 5 out of 5

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    I am 49 and recently started running, in last 1 year I have been running average 30 KM per week and gradually increasing to 50 km a week since last 3 months.
    Heart is the most important organ, at this age when I am about to turn 50, I desperately needed a mechanism which tells me how is my heart functioning and how much I recover after daily work. I realized that I am doing running and exercises on higher side and result of that is that I am constantly tiered.
    So I google’d and discovered about Ithlete, and got my Ithlete in early July 2014. In Last one month I take daily morning reading and couple of more readings per day depending on reminder it gives on phone.
    Results are very good, I, now have confidence that I am not over training and I am confident that before every exercise I have recovered completely (to partially sometimes) depending on HRV score in Green range. There have been times when I got Orange and Red reading, for example I was traveling couple of weeks ago and was about to fall sick (eating out in rainy seasons), my Ithlete singled by giving Orange one day before and the day I was sick due to extensive travel it gave Red, my exercise load on travel days was relatively negligible and HRV turned orange then to RED, that alert was useful.
    Very useful device for all athletes.
    During my weekend long run, Ithelete shows a Orange or a Red on Monday morning depending my run which is upward of ~20KM on Sundays. This alert has helped to increase diets for speedy recovery and increase sleep.

    Few more things Ithlete could do to make it more useful, is enable to HR monitor (for taking reading) during exercise, like HR and HRV, I use an Android so the application on Android is very basic and I would like to make more use of the this device during my long distance running, rather having multiple applications.
    thank you Ithlete team for a great product.

    regards
    Pramod
    from India.

  76. 4 out of 5

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    Product is great except it can be VERY difficult for the receiver to get a pulse signal.

  77. 4 out of 5

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    I am still trying to figure out the value this product has to someone that isn’t into high performance. Interesting data but not sure of how it fits in with the other readings I take.

  78. 4 out of 5

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    since i’ve been using this monitor my risk of overtraining had greatly diminished. it points out when i’m on the brink and it’s on my own accountability what i do with that info.

  79. 4 out of 5

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    Very useful piece of kit. It can sometimes take a while for the sensor to be detected but the results have given very good information for training. It’s also good for telling when exactly you can return to training following illness to prevent training too early.

  80. 4 out of 5

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    Good product. The range of the transmitter and the time it takes to connect could be improved, but I am satisfied with the product overall. It’s very interesting to track my progress with this empirical data.

  81. 4 out of 5

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    no

  82. 4 out of 5

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    The “hardware” itself is working fine. The app is also clear.

    What I still have to understand is how reliable this measurement is. For example the HR I get with your strap and app is sometimes very different from what I measure with other iphone apps or my garmin ant+ (in the same moment and conditions).

    Sometimes the feeling I have when I train is different from the ithlete indication: I might have a high HRV number and feel very tired or vice versa.

    For the moment I use it as “a double check” but as yet I would not plan my training based on the HRV indication only.

    It is unfortunate that the device is not ant+ compatible.

  83. 4 out of 5

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    I like the idea, but I don’t yet know if I can trust the data it collects. Right now, the readings from day to day seem rather random. HRV will go down after a day of rest, go up after a hard day, etc. After a few months, a more reliable trend will perhaps develop, so I’ll wait and see and reserve judgement until then.

  84. 4 out of 5

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    Since receiving the unit I have been using it daily and so far it seems to be working fine. I am a age group triathlete who trains 7 days a week and most days twice and I haven’t yet had to back of the training due to fatigue which is inline with what the ithlete has been indicating. It will be interesting when i feel shattered if it triggers a warning.
    I am using the Cardiosport strap and with some moisture the pickup of heart rate is very quick.

  85. 4 out of 5

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    I am a 38 yr old bicycle messenger, father of 2, husband, I also race bicycles and do kettlebell and bodywieght workouts.
    It’s been nice to know when I am over reaching and need to back off and when I can go for it!
    Ithleat will be a extremely useful life long tool.

  86. 4 out of 5

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    Took a bit of getting used to (2-3 weeks in all, I guess). I couldn’t understand the daily variations that I was getting, and eventually I concluded that strict consistency must be the key – i.e. same time of day, same position (standing), and especially same steady relaxed breathing style. Now I find I can mostly predict my HRV based on how I feel generally. Not sure that I really understand what HRV is about yet, so I am reading up on it as widely as possible. But in the short term I am happy to follow ithlete’s recommendations re training intensity. [I am also using a Garmin Edge 500 to work within heart rate ranges when I am actually training/riding].

  87. 4 out of 5

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    It is tracking my fitness and recovery very well and I use everyday. Works well with phone (HTC Sensation) but minor issues with software as it doesn’t work with Nexus tablet, unable to delete results on phone and it took me a while and several emails to determine how to transfer results between phones. Although the help desk are good and answer questions quickly.

  88. 4 out of 5

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    The product did not work with my iPhone 4, but works rather well a my new iPhone 5. I use it (almost) every morning now, and it gives a good measure of my capacity for a solid workout each day. I do wish that the HRV value reported were more directly comparable to that used in clinical studies (e.g. rmssd); instead, I had to work out the conversion between the two myself for a manual comparison.

  89. 4 out of 5

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    works as stated. I have trouble with the recommended standing position during the test and have had better readings sitting down. Accuracy is not a tell tale sign as described. I was in the yellow this morning and had one of my top performing work outs one hour later.

  90. 4 out of 5

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    nice tool

  91. 4 out of 5

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    Using the heart rate monitor everyday inorder to see how my body is feeling. Like it a lot, and definitely feel it’s worth the money.

  92. 4 out of 5

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    Unit is everything that was promised. A little more detail would be helpful

  93. 4 out of 5

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    This product is perfectly satisfactory.

  94. 4 out of 5

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    Well functioning little app, but not much tweaking or utilization of the data – having a pc/Mac software for analysis would be great.
    Until now the change in HRV has been totally kongruent with the change in resting HR – so not much additional info there.

  95. 4 out of 5

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    did not know I should wet the contacts but it worked w/o doing that anyway.

  96. 4 out of 5

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    So far it has seemed accurate with my training/lifestyle choices. Seems relatively accurate in the heart rate aspect, and the HRV shifts based on how things based on training/lifestyle choices. Individuals still need to understand it is another metric and should always listen to themselves.

  97. 4 out of 5

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    the improvement made it easier to use

  98. 4 out of 5

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    If I would have known that the bluetooth strap was the equivalent of the cardiac strap and the monitor, I would have bought the bluetooth strap instead. Your explanation in your site need to be reformulated.

  99. 4 out of 5

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    quickly adheres to body to report out to the app.

  100. 4 out of 5

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    2 grumbles:

    I dont like the strap for the chest monitor. Pain to put on in the AM, especially while trying to stay calm and relaxed.

    I prefer the styles where you can easily click it closed in front (ala my old Polar or Timex straps), vs the odd hook. (feels like trying put on a bra or something!)

    The other is that the widget seems to take a while to acquire a signal and go green.

    I recently heard that you have a Bluetooth version. Might hafta to look into that.

    Those points aside, I like the product!

  101. 4 out of 5

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    This has been very useful. Great way to track stress, sleep, etc.

  102. 4 out of 5

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    easy to use, once you get into the relax breathing habit.

  103. 4 out of 5

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    When I was looking for an hrv monitor to research the effectiveness on myself they were all very expensive and honestly was trying to sale flash and not it’s effectiveness. The ithlete was the best priced and is just as effective. I don’t need bells and whistles. Just something that does what it says. The ithlete does that at a good price.

  104. 4 out of 5

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    Getting the signal between receiver and iPhone has been a little quirky. Seems that the order of launching software, plugging in receiver makes a difference. Some mornings it is very quick and some mornings not so much.

  105. 4 out of 5

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    Very intriguing product but I’m not sure yet how useful it has been. With only two weeks of data I am just not sure if I can give a clear opinion of it. That said, it does appear to work very well. I wish the receiver worked over longer distances (more than a foot) and that there were more information literature included on how to use it. The assistance of the app is not up to it’s price tag, but it is useful and relatively straightforward.

  106. 4 out of 5

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    I have been using my HRV monitor for a month now. It has been very interesting to chart my daily variable and use it to meter my workout intensity. I ride/race bicycles so this info is helpful for sure.

  107. 4 out of 5

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    I like it

  108. 4 out of 5

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    Very simple and easy to use.

  109. 4 out of 5

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    Early days yet as been off my training intensity for a short while, recovering from a cold and catarrh, so hoping it will help me to get the balance of training right.

    So far so good.

  110. 4 out of 5

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    It seems the values I get correlate very well with my overall level of fitness. It is also very easy and quick to measure the HRV. I like graphs and numbers and until I purchased Ithlete I could never objectively know what shape I was in.

  111. 4 out of 5

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    Very good for monitoring training

  112. 4 out of 5

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    Range is poor, but otherwise it’s a nice package.

  113. 4 out of 5

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    Its a very good piece of kit.

  114. 4 out of 5

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    A very helpful tool in understanding the importance of rest and recovery after exercise.

  115. 4 out of 5

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    An unbelievable product but poor customer service

  116. 4 out of 5

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    Works right out of the box and consistently on a daily basis. Does seem to track overall health and stress. The app, while working adequately, is a bit clunky. Would like to see some more customization options for the user interface and statistical measures (e.g. ability to change the moving average time period). Overall though would recommend, especially given the very reasonable price.

  117. 4 out of 5

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    My coach uses it himself and he recommended it. I found it is easy to set up and use, and syncs easily to Dropbox, though instead of adding the daily reading to the existing spreadsheet, it creates a new one everytime it is synced.

  118. 4 out of 5

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    .

  119. 4 out of 5

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    Excellent product, works a treat. The range is a little limited but not a big problem. The equipment is good quality but the software graphical interface could do with sharpening up.

  120. 4 out of 5

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    Seems to get the job done fine once I got the hang of it.

  121. 4 out of 5

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    Heart Rate Monitor & ECG Receiver

    I have already a Garmin Heart Rate Monitor, but this one works also on our ergometer, great.

  122. 4 out of 5

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    Made me look at RHR in a whole new way. Changed my perceptions of fatigue.

  123. 4 out of 5

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    Belt

  124. 4 out of 5

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    It works exactly as they say it does. Take some getting used to – how it all works, how far the phone needs to be and where to place on the chest. Once that was sorted it works great. All user error.

  125. 4 out of 5

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    Good product which helps to assess athlete recovery/readiness to train. Helpful information. I wish the prong on the unit were longer so as to avoid needing an adapter cable for use with phone cases. I have had much trouble with the recommended adapter cable.

  126. 4 out of 5

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    Accurate, easy to mount
    Sometimes my phone doesn’t get signal

  127. 4 out of 5

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    The product is easy to setup and use once the app has been installed. Easy to follow the colour coded guide and displays previous results over various time scales.

  128. 3 out of 5

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    I”ve been taking 3 consecutive readings each morning for two weeks now and the HRV can easily vary by +-20%. This means the standard deviation of the HRV value is huge which is disappointing. Hard to have any confidence in basing training decisions on it.

  129. 3 out of 5

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    It is relatively difficult to acquire a solid signal, otherwise, it’s great

  130. 3 out of 5

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    Sometimes early in the morning, after just waking up, the device has a hard time picking up a stable HR, after which it becomes hard and takes too long to do the test.

    Also, the manual states to do it first thing in the morning but I find it to be more reliable to wait a bit. Otherwise I have had time for a HRV of sub 70 could be immediately followed by one above 80.

  131. 3 out of 5

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    Nice product, gives you a global estimate of the current state of your fitness.

  132. 3 out of 5

    :

    I also use Omegawave, which gives other values than your HRM. This makes me uncertain about which interprets the measurement most correctly. However, for development, any number as long as the measurement is consistently accurate, is a good enough indicator. Then it more a matter of calibration.

    Please also revise the GUI. The graphics are somewhat very boring / old looking.

    I would also recommend that the measurement goes for 2 minutes, and that it has a delayed start with a warning sound, so that the athlete can put down his/here hands and start to breathe normally before the app actually starts to measure.

  133. 3 out of 5

    :

    I’ve found this to be less useful than I thought it would be from the write-ups. Firstly it is unreliable – most days it works OK, but fairly often (perhaps 1 day in 5) it doesn’t, either because it won’t connect with the phone at all, or once connected it won’t start measuring(the green bar never shows). On other occasions it has said that I need to buy the app again and won’t work at all!

  134. 2 out of 5

    :

    Found major variation between lying and standing HRV. Seated HRV more closely matched standing. I am elite level masters athlete. I understood standing is a better gauge of HRV, however, if I were to rely on standing readings I doubt I could train any day whereas standing or sitting readings suggest I can train almost always – leaves me relying on old reliables like countermovement jump to assess fatigue. Not useful for me.

  135. 1 out of 5

    :

    Would like some more info in how to use it and read info and how to use other features. Also expand on the features that it has. More detail.

  136. 5 out of 5

    (verified owner):

    I love it. I thought i was using the days i was telling myself not to train as an excuse, but it seems that i’m pretty in tune with my body

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