The app produces bell-like, and metallic sounds associated with classic FM synthesis warmed up through two virtual analog filters and keeping the workflow simple and immediate. It is optimized for both iPhone and iPad, making it easy to sketch ideas on the go or dive deeper on a larger screen. The controls are straightforward and the engine is responsive, so it works well for beginners getting into FM and for more experienced sound designers who want classic FM textures without a complex interface.
FM20 runs as a standalone instrument and supports AUv3, integrating into hosts like Logic Pro for iPad, AUM, GarageBand, or other compatible hosts. The clean sound and focused design make it a practical tool for adding FM character to tracks or creating complete patches quickly.
Key features include:
- 4x FM oscillators
- 2x virtual analogue filters
- 5x ADSR
- 5x LFO
- 8x algorithms
- Clean, performance-oriented interface
- Standalone and AUv3 instrument support
- Optimized for iPhone and iPad
App price: $5.99
No in-app purchases.
Original release: March 2026 | Latest update: March 2026
