Cardio Rounds

Track your heart rate, zones, and recovery with Cardio Rounds. Perfect for interval training and BJJ. No ads, no sign-ins, and 100% private local storage.

Cardio Rounds is an open-source heart rate monitoring app designed specifically for treadmill running, interval training, and Brazilian Jiu-Jitsu (BJJ) rounds.

Focus on your performance with a simple, distraction-free interface and beautiful, detailed charts. Cardio Rounds prioritizes your privacy. All data is stored locally on your device, with no sign-ins required, no ads.

Key Features: • Track workouts with live heart rate charts and time-in-zone analysis. • Record your rate of recovery. • Customize your resting and max heart rate for accurate zone calculations. • View historical stats and compare past performances. • Connect seamlessly to nearby Bluetooth heart rate monitors. • Export your data anytime for personal backup or external analysis.