Stress Check
Stress means different things to different people - Stress Check app will quantify your level of psychological or physical stress by analyzing your heart rate variability in real time.
Stress Doctor
Reduce your stress using 100% natural biofeedback technique based on heart rate detection with your iPhone's camera.
Instant Heart Rate
The most accurate heart rate monitor for smartphones. Place your finger on your phone's camera lens and your heart rate will be displayed.