Ever wished to track and monitor your heart rate?Well... if you happen to carry your iPhone 4 or iPod Touch (latest generation) around, you can do it in an instant!
This Instant Heart Rate measures your heart rate using the iPhone's 4 built-in camera and tracking the slight color changes in the light that passes through your finger caused by the blood flow.
You need only place your finger gently over the camera, hold it steady for at least 10 seconds, and you you'll know your heart rate. It even calculates training zones and shows you which zone you're in.
Available at the App Store for $1.99. (You can also find similar Apps for Android, if you're wondering :)
Have a look at Heart Rate Free - seems to work in the same way without charging you 1.99
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