Runifier vs RunSync

Runifier locks your music to your running rhythm. Set a target cadence, tap Start, and every Apple Music track speeds up or slows down so its beat lands on each step. A high-precision metronome clicks in sync, and a voice coach calls your pace out loud as you go. KEY FEATURES • Cadence-synced Apple Music — pick a target BPM (120–200) and Runifier time-stretches each track to match your stride. • Per-song BPM memory — enter a song's BPM once and it's saved per track, applied automatically the next time it plays. • Sample-accurate metronome — generated live by AVAudioEngine; never drifts, toggle the click on or off mid-run. • Pace from Garmin or GPS — listens for Garmin Connect broadcasts during your run and falls back to iPhone GPS + pedometer cadence within five seconds if no watch signal is present. • Voice pace coach — speaks current and average pace every 500 m, 1 km, 2 km, or 5 km, with automatic audio ducking so the music and metronome step out of the way during each callout. • Live dashboard — large current pace and target BPM displays, connection status badge (Garmin / iPhone GPS), distance, average pace, and steps per minute. HOW IT WORKS 1. Choose a target cadence on the dashboard. 175 BPM is a sensible starting point. 2. Queue a playlist or song from your Apple Music library. 3. Tap Start Workout. Music plays at the adjusted tempo, the metronome clicks at your target, and pace tracking begins. 4. The voice coach announces pace at the interval you've set. 5. Drag the BPM slider any time — the music and metronome retune instantly. WHO IT'S FOR Cadence-aware runners. Form-focused trainers. Marathoners who train by rhythm. Garmin watch users who want their phone library to keep pace with their wrist. Anyone tired of building "exactly 175 BPM" playlists by hand. APPLE MUSIC An Apple Music subscription is required for playback. Tempo adjustment works most reliably on tracks downloaded to your library; streaming-only catalog tracks may not honour playback rate changes. You can enter a Song BPM manually for any track and Runifier remembers it. PRIVACY Runifier doesn't send your location, pace, music library, or BPM entries off your device. All BPM data is stored locally. No analytics, no ads, no third-party trackers.

RunSync: Your Music, Your Perfect Pace. Want to run faster, avoid injury, and stop fading at the end of your runs? The secret is maintaining a consistent cadence. Most runners struggle to hold a steady pace. They start too fast, get tired, and their cadence drops. RunSync solves this by turning your own music library into the ultimate pacing tool. No more listening to boring metronomes or spending hours building running playlists—let your favorite songs keep you on track. How it works: Set Your Target: Tell RunSync your goal cadence (e.g., 160 Steps Per Minute). Sync Your Music: RunSync securely connects to your Apple Music library, analyzing your songs to find the tracks that perfectly match your target pace. Lock In: Hit start. As your music plays, your footstrikes will naturally lock in with the beat, keeping your cadence consistent for your entire run. Features: Target Cadence Pacing: Pick your exact target BPM and never stray from it. Apple Music Integration: Run to the songs you already know and love, curated perfectly for your run. Automatic BPM Scanning: Our backend engine instantly finds the beats-per-minute of your library. Focus on the Run: Stop looking at your watch to check your pace. If you are running on the beat, you are right on target. Whether you are training for a marathon, trying to improve your running form, or just want your easy runs to feel more rhythmic, RunSync helps you find your perfect stride. (Note: RunSync requires an active Apple Music subscription to play and sync your library). Try it free for 7 days! Download RunSync and get your first week of Premium completely free. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/