Create music with a powerful groovebox featuring a step sequencer, synthesizers, and a sampler. Arrange patterns into songs, shape unique sounds, and export your finished tracks. Designed for intuitive music production on mobile devices.






250+ iOS apps curated and reviewed
Out of 250+ billie tracker apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (5) | No | No | Oct 2026 | ||
| 2 | Free | — | No | Yes | May 2026 | ||
| 3 | Free | — | No | Yes | Jun 2026 | ||
| 4 | Free | — | No | Yes | Oct 2026 | ||
| 5 | Free | — | No | Yes | Sep 2026 | ||
| 6 | Free | — | No | No | May 2026 | ||
| 7 | Free | — | No | Yes | Oct 2026 | ||
| 8 | Free | 1.6★ (7) | No | No | Oct 2026 |






Create music with a powerful groovebox featuring a step sequencer, synthesizers, and a sampler. Arrange patterns into songs, shape unique sounds, and export your finished tracks. Designed for intuitive music production on mobile devices.











