Sleep doctor approved
This app has a lot of integrity and perhaps the best biometrics for HRV. Coming from a sleep doctor - I recommend this to my clients. It helps them follow their sleep without stressing them out with misleading data.
Good not Great
The bio strap app did what it claimed to do in tracking sleep and HR parameters though it could sometimes be balky to sync up. Battery was okay but not as good as some of the newer devices. It seemed to go for about 36 hours on a charge. The device fits okay though not completely unobtrusive during sleep. Activity tracking is minimal without the shoe pod, and the shoe pod is a pain to place and keep in place. I ended up losing mine on a run, and it didn’t fit certain shoes like cycling shoes with straps instead of laces. Whether it is more or less accurate than other apps is likely depending on who’s marketing claims you go with. Finally, at its current price, I think it lacks value - too expensive for such a device.
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App is not working on IOS
App not working properly hangs all the time
Don’t buy this crap decice
Without a doubt the worst wearable I’ve ever had. To add insult to injury it will set you back over $300/ >£250. Tried to return it but Biostrap make returns as laboursome as possible meaning you are stuck with it. All the components feel like cheap and nasty low grade Chinese tech.
It also doesn’t do it’s basic functions. I’ve never had one night where it’s properly recorded my sleep. And most nights it just doesn’t detect sleep at all. So I miss out on HRV and RHR data. Messaged support who basically told me I’d need to manually enter sleep data every day! Completely useless.
It also doesn’t do it’s basic functions. I’ve never had one night where it’s properly recorded my sleep. And most nights it just doesn’t detect sleep at all. So I miss out on HRV and RHR data. Messaged support who basically told me I’d need to manually enter sleep data every day! Completely useless.
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Expensive, buggy software, very poor support
Total waste of money - try looking at alternatives





