AVAILABLE FOR

When you're exercising, getting an accurate heart rate is important. You don't want to do too little work and waste your time. On the other hand, overdoing it can cause health problems.

Forget checking your pulse manually. Just pull out your smartphone with the Instant Heart Rate app. Press your finger to the camera lens and you'll have your heart rate in a moment. It can even track recovery time, trends and more.

Cost: $1 iOS; Free Android

Link:

play.google.com