StrapTuner

StrapTuner helps athletes fix the most common cause of misleading wearable metrics: bad fit and placement. Using your phone camera and quick guided checks, it verifies watch/HR strap position, tightness, and skin contact, then runs a short motion/heart-rate validation routine to detect signal dropouts. It outputs a simple “fit score,” recommends micro-adjustments (one notch tighter, move 1 cm up the arm, wet electrodes, swap strap size), and logs what worked for each activity (run, cycling, HIIT). It also flags when your sensor is likely failing versus just worn incorrectly, so you don’t waste time chasing phantom training issues. This is a mobile app with optional web dashboard for coaches. It’s a combination app: traditional UX plus lightweight AI/computer vision for placement and motion artifact detection.