CompareOpen in Google Play
it's not that most accurate app on Android for this
Developer reply
Hello! Thank you for rating us. Please share your ideas on how we can make the app better at stackwares@gmail.com Thank you.
It works so well! And its free!
Developer reply
Yes it is! Thank you so much! Please share the app with your friends! :) We appreciate your 5 star rating :)
literally the best heart rate monitoring app in the market right now
Developer reply
That's great to hear! Thank you so much for your support! Please share with your friends! :)
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