Measure blood pressure through your finger to receive instant results for free, and you should also know that this Blood Pressure Checker application scans your finger quickly from the footprint of your thumb. App Features: Stunning fingerprint scanning Panel and scan animation. Simulate blood pressure monitor sounds. How to Use: Place and hold your right thumb on the scanning panel. Hold for a few seconds until the scan is finished. Disclaimer: Blood Pressure is a PRANK app for entertainment purposes. In fact it cannot measure your blood pressure or heart rate. It is for you to fool your friends or for kids to play doctor games.