This app offers the same technology as medical oximeters from the convenience of your smartphone. Available for free on Android devices. It can measure your heart rate and many other things in under 10 seconds, and also comes with a workout monitoring feature for when you exercise.
You can use cardio workout monitoring from Instant Heart Rate to get the most out of your exercise, Track your progress before and after workouts. The app also allows you to see your heart rate training zones such as when you’re resting, burning fat, cardio, and the peak of your workout.