Aux - Listen to music with a stranger – real-time synced music exchange

Summary: Aux lets two strangers each pick a YouTube song without seeing the other's choice, then listen together in real time, synced sequentially. Users react with a vibe slider and emojis, receiving a match score based on their responses. It requires no accounts or cameras and enables music discovery through shared listening.

What it does

It pairs two users to exchange and listen to YouTube songs simultaneously, syncing playback and collecting reactions to generate a compatibility score.

Who it's for

People interested in discovering music collaboratively with strangers without direct communication initially.

Why it matters

It creates a shared, synchronous music experience that enhances discovery and connection beyond sending links.