iHeart Rate

It uses your phone with the built-in camera to track color changes of your fingertip that are directly associated with your pulse, which is the same technique used in medical pulse oximeters.SIMPLE USAGE:Put the tip of your index finger on the phone’s camera. Hold it steadily and after a few seconds your HR will be shown. FEATURES:✓ Instant and accurate HR measurements. ✓ Real time display of PPG graph.✓ Various measuring types: rest, post-exercise, post-walk and post-sport.✓ Different moods considered: relaxed, happy, sad, excited and sad.✓ Check the records with different types and moods. ✓ Unlimited measurement times.Eager to know if your fitness level has improved or not? Or to know if is there any anomaly of your cardiovascular system? Then, just download it for FREE now and check your HR continuously at any time and any place!DISCLAIMER: iHeart Rate is not for medical usage, only for your reference. If there is any issue raised, then the author will take no responsibility. WARNING: 1) iHeart Rate works only on smart phones with flash lights. It will NOT work properly without lights. 2) During measurement hold your finger steadily and try NOT move. The camera lens shall be wholly covered. Otherwise the measurement accuracy might be compromised.3) Do NOT measure with cold fingers when the blood circulation is poor, which will also inversely affect the accuracy.