Tach - Heart Rate Monitor

Tach is a simple, focused heart rate tracker for indoor workouts. Pair with any Bluetooth heart rate monitor, start recording, and see your effort in real time. LIVE HEART RATE CHART Watch your BPM unfold on a scrolling red bar chart, updated every second. The large BPM display is readable from across the room — perfect for cycling, rowing, or any indoor training. WORKS WITH ANY BLUETOOTH HRM Connects to any standard Bluetooth Low Energy heart rate monitor, including Polar, Garmin, Wahoo, and Coospo devices. Just tap to scan and connect. REAL-TIME STATS See your average and max heart rate as you train. Emoji-based effort indicators show you how hard you're working at a glance. EXPORT TO .FIT When your workout is done, export a standard .FIT file via the iOS share sheet. Upload to Strava, Garmin Connect, TrainingPeaks, or any platform that accepts FIT files. DESIGNED FOR SIMPLICITY One screen. One purpose. No accounts, no subscriptions, no clutter. Just connect your heart rate monitor and go. - Real-time BPM display with scrolling bar chart - Works with any Bluetooth LE heart rate monitor - Timer with session duration tracking - Average and max heart rate stats - Effort emoji indicators based on % of max HR - .FIT file export for Strava, Garmin Connect, and more - Clean, minimal design — readable from a bike - Portrait-locked for easy glancing during workouts