CadenceSync vs SparkTune

Your music. Your pace. CadenceSync detects your live running cadence and automatically adjusts your music's tempo to match — step for step, pitch-perfect. No chipmunk voices, no warbling. Just your music, timed to your stride. Prefer a fixed target? Lock in a specific SPM and CadenceSync holds it there, mile after mile. Rhythm Intelligence Rather than blindly speeding up or slowing down, CadenceSync finds musically natural tempo variations — half-time, double-time — that meet your cadence goals while keeping the music feeling right. Built for the Road Runs entirely on your local music library. No internet, no cell signal required. Trail, track, or treadmill — it works wherever you do. Stay in Control * Smart Shuffle draws from your play history to keep things fresh * View and manage recently played tracks * Export your full library as a CSV

SparkTune is a private music player for your own audio files. Import songs and folders, organize your library, and listen without a streaming subscription. Your music stays yours, with playback controls built for everyday listening. Features: Import MP3s and other supported audio files Add songs from Files, iCloud Drive, external drives, or shared attachments Browse by songs, albums, artists, and playlists View lyrics when available Use favorites, play history, recently added, and most played collections Control playback speed, sleep timer, equalizer, and volume normalization Use CarPlay for safer listening in the car Sync your library across iPhone and iPad with SparkTune Pro SparkTune Pro unlocks unlimited imports, iCloud library sync, folder imports, backup/export tools, and advanced audio controls. SparkTune does not include a music subscription or streaming catalog. It is built for music files you own and choose to import.