Support
StemTune separates songs into vocals, drums, bass, guitar, piano and other instruments directly on your iPhone or iPad.
Quick help
1. Open StemTune.
2. Import a track from Files or, with Premium, from your Music library.
3. Choose the instrument you want and start separation.
4. Use the mixer to enable, mute and combine tracks.
Processing happens on your device. Long tracks may take a few minutes, depending on the device model.
Purchases and subscriptions
Use Restore Purchases on the Premium screen if an earlier purchase does not appear. Manage subscriptions in Settings > Apple Account > Subscriptions.
Formats
The free plan supports MP3, M4A, WAV, AIFF, AAC, CAF and FLAC. Additional compatible formats and Music library import are available with Premium.
Contact
For guidance on using the app, also see the frequently asked questions on the home page.