Most questions are answered below — otherwise just email us.
Email supportOn the main screen tap Add a song, pick where it comes from (music library, Files, a video or a recording) and Acapo separates it in the cloud, usually in under a minute.
Open the song, switch to Key and tap Fit my voice. Set your voice range in Settings if you skipped it.
Put on headphones, open a song, switch to Sing and tap Start singing. After the take, balance voice and band, then Save cover.
In Practice, tap A at the start of the part and B at its end. Slow the tempo down if you need.
Streamed and protected Apple Music songs can't be read by any app. Use songs you have as files.
Restore: Settings in the App → Restore purchases. Cancel: iPhone Settings → your name → Subscriptions.