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.

250+ iOS apps curated and reviewed
The best krill synthesizer apps on iPhone average 4.6★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 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 | 4.8★ (44) | No | Yes | Sep 2026 | ||
| 4 | Free | 4.9★ (33) | No | No | Aug 2026 | ||
| 5 | $29.99 | 4.9★ (896) | No | Yes | Sep 2026 | ||
| 6 | Free | 4.8★ (1.2K) | No | Yes | Sep 2026 | ||
| 7 | Free | 4.6★ (772) | No | Yes | Sep 2026 | ||
| 8 | Free | — | 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 unique sounds by drawing waveforms, adjusting filters, and controlling parameters with LFOs. Explore a vast sound palette with factory presets or build your own. Supports MIDI, AudioUnit, and live recording for track creation.