Quickly create complex chord progressions with a powerful music theory engine. Explore scales, borrow chords, and customize chord details in real-time. Supports multiple patterns and MIDI control for advanced music production.






245+ iOS apps curated and reviewed
The best chordbud 2 auv3 midi sequencer apps on iPhone average 4.5★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $5.99 | 3.3★ (26) | No | No | Nov 2026 | ||
| 2 | Free | 4.8★ (80) | No | Yes | Oct 2026 | ||
| 3 | Free | 4.9★ (16) | No | No | Oct 2026 | ||
| 4 | Free | 4.6★ (89) | No | Yes | Oct 2026 | ||
| 5 | $12.99 | 4.6★ (37) | No | Yes | Oct 2026 | ||
| 6 | $9.99 | 4.3★ (19) | No | No | Oct 2026 | ||
| 7 | $8.99 | 4.8★ (38) | No | No | Oct 2026 | ||
| 8 | Free | 4.9★ (10) | No | Yes | Oct 2026 |






Quickly create complex chord progressions with a powerful music theory engine. Explore scales, borrow chords, and customize chord details in real-time. Supports multiple patterns and MIDI control for advanced music production.




Create complex synthesizers, audio effects, and MIDI processors with a modular music-making tool. Design instruments from simple patches to intricate custom setups, with a vast library of modules and extensive modulation capabilities.



Transform your device into a professional MIDI controller with touch-optimized piano keys, drum pads, and performance controls. It supports SFZ, SF2, WAV, and M4A samples, and can control iOS apps, hardware synths, and Mac software wirelessly or wired.