250+ iOS apps curated and reviewed
The best hilda synthesizer apps on iPhone average 4.5★ across 250+ 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 |  | $12.99 | 4.9★ (57) | No | No | Oct 2026 | |
| 2 |  | Free | 5.0★ (2) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.9★ (27K) | No | No | Oct 2026 | |
| 4 |  | Free | 4.8★ (135) | No | No | Aug 2026 | |
| 5 |  | $8.99 | 3.9★ (9) | No | No | Aug 2026 | |
| 6 |  | $8.99 | 3.9★ (9) | No | No | Aug 2026 | |
| 7 |  | Free | 4.2★ (13) | Yes | Yes | Oct 2026 | |
| 8 |  | $4.99 | 4.0★ (2) | No | No | May 2026 |
This app offers a complex oscillator monosynth with a blend of west-coast and east-coast synthesis techniques. It features a wave folder, lowpass gate, 12-mode filter, and VCA circuit, all meticulously circuit-modelled for authentic analog or digital sound. It functions as a playable synth, MIDI sequencer, and audio effect.
This app is a powerful polyphonic synthesizer for iPhone and iPad, featuring 39 diverse sound engines and a generative step sequencer. It offers extensive sound-shaping capabilities with dual layers, morphing filters, and flexible LFOs and envelopes. It functions as a standalone app or an AUv3 plugin.
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.
