250+ iOS apps curated and reviewed
GSDSP MMMm is the household name in gsdsp mmmm, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (14) | No | No | Aug 2026 | |
| 2 |  | Free | 4.9★ (27K) | No | No | Sep 2026 | |
| 3 |  | Free | 4.8★ (34) | No | No | Aug 2026 | |
| 4 |  | Free | 4.9★ (13) | No | No | Sep 2026 | |
| 5 |  | Free | 4.0★ (1) | No | No | May 2026 | |
| 6 |  | Free was $6.99 | — | No | No | Jul 2026 | |
| 7 |  | Free | 3.8★ (16) | No | No | Sep 2026 | |
| 8 |  | Free | 3.4★ (9) | No | Yes | Sep 2026 |
This app provides a powerful MIDI modulation engine to control various plugins, hardware, and instruments. It offers a range of modulation sources like LFOs and random generators, and includes a dedicated performance skin for live use. It's a MIDI-only FX version for hosts requiring pure MIDI processing.
This is a free, open-source professional synthesizer app for iOS devices. It offers over 300 presets, MIDI support, a sequencer, and vintage-inspired filters. Learn music production basics and create your own sounds.
This app offers a robust MIDI modulation engine for controlling various instruments and plugins. It allows users to create dynamic audio with LFOs, random sources, and more, featuring a performance-focused interface for live use.
