Echarde

I still love my Beets Blu HRM. It runs on the same battery for 6 month already. iPhone with apps downloaded + sensor with chest belt, nothing more to desire for $50.

All the heart rate monitors with Bluetooth Smart are compatible with iPhone 4s and there are dozens of great apps on App Store as well. Just decide for yourself which type is more appropriate for you (chest strap + iPhone, chest strap + wristwatch + iPhone, strapless wristwatch) and look at the numerous items on Amazon.…

Which iPhone?

The distance of stable transmission of new Bluetooth devices is over 30 feet usually. I learned this question ))

If you don't mind wearing your smartphone along with chest strap - instead of this wrist watch, there are also many options to choose.

I must say the issue with Polar H7 HRM described by topic starter was a real surprise for me cos I considered it the one of the most reliable HRMs. All these BT Smart based HRMs with belts are all the same. The purchase of a good one is a matter of fortune only. I did tons of research before buying one for my iPhone. Most…

btw, my first message here )) Once I decided to track my heart rate and calories burned I made some researches about the HRMs available on the market. First I decided for sure that it should be chest strap HRM. Second, I decided to use it with my iPhone 4S. Third, I defined my budget at $50-70. Choosing among several…