GrooveRun

GrooveRun matches the tempo of your music to your running cadence. CHANGE THE SPEED OF ANY SONG Play songs from your device's Music library, or files you import. The pitch stays where it was — only the tempo moves. The app also ships with 60 tracks prepared for running. (The bundled tracks are AI-generated, and are labeled as such in the app.) FOUR SCENES, ONE TAP Set a target cadence for warm-up, hard, jog and cool-down. Switch between them while you run, and the music follows. INTERVAL TRAINING Tabata, Norwegian 4x4, 30/30 and more are built in. Step length, target cadence and the track that plays there can all be edited on the screen you start from — and each phase plays at its own tempo. BEAT GUIDE Lay a metronome or drum on top of the beat. It gets louder the further you drift, so you can correct by ear alone. The Lock Screen shows your measured cadence and whether you are fast or…