This synthesizer app offers a fun way to create electronic music with adjustable oscillators, a low-pass filter, and a delay effect. It supports advanced audio routing and can also function as an effector for other instruments.





250+ iOS apps curated and reviewed
With an average user rating of 4.5★, the kq unotone legacy category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $7.99 | 4.8★ (23) | No | No | Oct 2026 | ||
| 2 | $5.99 | 5.0★ (1) | No | No | Oct 2026 | ||
| 3 | $10.99 | 4.8★ (100) | No | Yes | Oct 2026 | ||
| 4 | Free | — | Yes | No | Oct 2026 | ||
| 5 | Free | — | No | No | Sep 2026 | ||
| 6 | Free | 5.0★ (3) | No | No | Oct 2026 | ||
| 7 | Free | 3.7★ (164) | No | No | Oct 2026 | ||
| 8 | Free | 4.8★ (61K) | No | No | Nov 2026 |





This synthesizer app offers a fun way to create electronic music with adjustable oscillators, a low-pass filter, and a delay effect. It supports advanced audio routing and can also function as an effector for other instruments.




This compact synthesizer app offers four distinct synth models for creating lo-fi textures and experimental sounds. It functions as a standalone instrument or an Audio Unit v3, usable as either an instrument or an effect.





This app is a 6-operator FM synthesizer inspired by 1980s hardware. It allows users to create rich and complex sounds using frequency modulation, offering extensive parameter control and compatibility with various audio standards.