250+ iOS apps curated and reviewed
The best krill synthesizer apps on iPhone average 4.7★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $11.99 | 5.0★ (6) | No | No | Aug 2026 | |
| 2 |  | Free | 4.9★ (27K) | No | No | Sep 2026 | |
| 3 |  | Free | 5.0★ (5) | No | Yes | Sep 2026 | |
| 4 |  | $4.99 | 5.0★ (5) | No | No | Sep 2026 | |
| 5 |  | Free | 4.9★ (33) | No | No | Aug 2026 | |
| 6 |  | Free | 4.8★ (1.2K) | No | Yes | Sep 2026 | |
| 7 |  | Free | 4.8★ (44) | No | Yes | Sep 2026 | |
| 8 |  | $29.99 | 4.9★ (896) | No | Yes | Sep 2026 |
This virtual analog polyphonic synthesizer offers a streamlined interface for creating quick synth sounds on iPad. It features two oscillators, an LFO, a low-pass filter, two envelopes, and stereo effects, all accessible from a single screen.
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.
Create generative ambient music and captivating visualizers with this sonic instrument. Explore diverse soundscapes, from gentle strings to glass bells, and customize your experience with various visual themes. Easily record and share your creations, or use it for relaxation and focus.
