This audio effects collection offers digital models of classic analog synthesizer filters for iOS devices. It provides professional analog sound and optimized touchscreen interaction, functioning as standalone apps or Audio Units within other hosts.






48+ iOS apps curated and reviewed
With an average user rating of 4.6★, the jens guell category is one of the App Store's strongest. Browse all 48+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $12.99 was $24.99 | 4.9★ (19) | No | No | Aug 2026 | ||
| 2 | $5.99 was $9.99 | 4.6★ (26) | No | No | Jul 2026 | ||
| 3 | $9.99 was $24.99 | 4.3★ (8) | No | No | Aug 2026 | ||
| 4 | $29.99 | 4.2★ (5) | No | No | Jun 2026 | ||
| 5 | $12.99 was $24.99 | — | No | No | Jun 2026 | ||
| 6 | $9.99 was $14.99 | — | No | No | Jun 2026 | ||
| 7 | $9.99 | 4.1★ (19) | No | No | Aug 2026 | ||
| 8 | $12.99 was $24.99 | 5.0★ (1) | No | No | Jun 2026 |






This audio effects collection offers digital models of classic analog synthesizer filters for iOS devices. It provides professional analog sound and optimized touchscreen interaction, functioning as standalone apps or Audio Units within other hosts.






This audio processing tool allows users to visually manipulate the stereo image of digital audio. It functions as a mastering effect, enabling real-time adjustment of stereo width and the recovery of mono compatibility. The app includes a correlograph for visual feedback and optimization.






This audio unit generates up to 8 additional voices from any audio input by multiplying and shifting pitch. It simulates analog synthesizer unison effects for fattening sounds and adding presence, with individual voice transposition capabilities.