Sync DJ
iOS app by Gareth McCall. Music · Gareth McCall
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.1
- Listing last refreshed
- 2026-09-12
View the original store listing
Store description excerpt
Sync DJ turns any group of phones into a synchronized sound system - no speakers to pair, no network to join, no app-to-app connection required at all. Load the same audio file on every device, agree on a start time, and each phone independently calculates exactly where in the track it should be playing based on the clock - not a live connection. That means it works anywhere: a beach, a bike parade, a warehouse, a field with zero signal. If your phones' clocks agree, your audio stays in sync. HOW IT WORKS Pick an audio file. Set a start time - or tap "Now" to begin immediately. Share the session with a link or QR code so everyone joins the same countdown. Tap Play, and every device locks onto the same synchronized position automatically. FEATURES • Wall-clock sync - no Bluetooth, no Wi-Fi, no streaming required after setup • Share a session instantly via link or QR code • Live countdown to start time, with the option to cancel and reschedule • Fine-tune sync offset per device (±30 seconds) to correct for speaker distance or audio latency - drag to adjust and hear the change live • Background playback with lock screen and Control Center controls • Automatically resumes after interruptions like phone calls • Clean, distraction-free interface built for quick setup in the field WHO IT'S FOR Silent discos. Group bike rides. Synchronized art installations. Flash mobs. Multi-room parties. Anywhere you want a crowd of phones playing the exact same sound at the exact same moment - without relying on a single shared speaker or a network connection that might not be there. Sync DJ doesn't stream, doesn't need accounts, and doesn't touch the internet once your session is set. It's just clocks, math, and your music.
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