Heart Rate Monitor - HeartIn

Heart Rate Monitor - HeartIn is a fast heart rate monitor app that turns your phone into a fitness tracker for daily health checks and training. Measure your pulse in seconds with the camera, view workout zones in real time, and follow clear trends to train smarter and recover better. Core features include instant camera based heart rate measurement, easy to read charts that track zones and resting rate over time, and wellness insights with HRV based stress estimate plus smart reminders. It syncs with Apple Health and Google Fit for a complete view of your fitness. This app is not a medical device and is not intended for diagnosis or treatment.

1. Download and open HeartIn, then sign in or continue as a guest. 2. Allow camera access and enable the flash if prompted. Optionally connect Apple Health or Google Fit to sync data. 3. Sit still, place your fingertip lightly on the rear camera and flash, then tap Start to measure. Hold steady until the reading finishes. 4. Save your result and add a tag such as activity or mood to build your timeline. 5. Open Insights to view daily and weekly trends, set reminders before workouts, and export a report for personal records.