SoundWall
Host a party where every phone plays in sync.
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SoundWall - Host a party where every phone plays in sync.

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SoundWall lets you host a music party where every phone becomes part of the sound system. No cables, no speakers — just instant sync and shared beats. Perfect for house parties, outdoor hangouts, or spontaneous DJ sessions. Built with Supabase Realtime and pure joy. 🎶 Try it live → Would love your feedback and ideas for new vibes!

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I built SoundWall because I wanted music to feel social again — not just something you listen to alone. The idea came from spontaneous hangouts where everyone wanted to play their favorite song, but syncing devices was always messy. So I created a web app where every phone becomes part of the sound system — no cables, no setup, just instant sync. It’s been fun experimenting with Supabase Realtime and seeing how smooth multi‑device playback can actually be. Excited to hear your thoughts and ideas for new vibes! 🎶

Took about ten seconds to get two phones synced and the drums hit clean with zero delay between them, which genuinely surprised me. Fun idea for backyard hangs when nobody wants to lug out a speaker.