Side B

Beat along with your music.

Pick a song you own, press play, and tap out a beat over it. Side B finds the tempo, locks your pads and loops to the song, and lets you fold the phone to bend the sound.

Play alongSongs from Files, your Music library, AirDrop, or your own Navidrome or Jellyfin server.
Pads and beats16 fast pads, ready-made kits, a 4-track beat with swing.
Loop modeLayer loops from the pads or the mic, locked to the tempo.
The hingeOn a foldable iPhone, folding muffles, echoes or slows the sound.
Sounds from anywhereThe mic, any video, the share sheet, Freesound (CC0 and CC BY).
Share itWAV, M4A or a 9:16 video of your pads. Your part only.

Everything happens on your phone. No account, no tracking, no ads, and no server of ours.

Free to try with up to 2 saved projects; a one-time $9.99 unlock keeps every project. No subscription.

Coming to the App Store for iPhone. Demo songs by Kevin MacLeod (incompetech.com), CC BY 4.0.