Tepovka: A mobile application for heart rate measurement using photoplethysmography

This paper presents Tepovka, a mobile application developed to measure heart rate using photoplethysmography (PPG) via smartphone cameras. Leveraging the widespread availability of smartphones, Tepovka offers an accessible, non invasive tool for monitoring heart rate in real-time. The app employs a custom algorithm to process PPG signals derived from RGB color channels, demonstrating high accuracy when validated against a reference ECG device (Faros). Developed using Flutter for crossplatform compatibility , Tepovka currently performs reliably on iOS devices, with ongoing plans for Android optimization. This work, conducted at the Department of Biomedical Engineering at Brno University of Technology, aims to contribute to the growing field of telemedicine by providing user-friendly, scientifically validated heart rate monitoring solutions.