250+ iOS apps curated and reviewed
The best extensions audio apps on iPhone average 4.3★ 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 |  | $4.99 | 4.6★ (9) | No | No | Sep 2026 | |
| 2 |  | Free | 4.8★ (315) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 3.9★ (30) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 3.4★ (5) | No | Yes | Sep 2026 | |
| 5 |  | Free | — | No | Yes | Sep 2026 | |
| 6 |  | $1.99 | 4.6★ (23) | No | Yes | Oct 2026 | |
| 7 |  | Free | 4.3★ (84K) | No | No | Oct 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | Oct 2026 |
This audio effect app adds harmonics to sound by folding waveforms. It's ideal for enhancing synth leads, transforming drum loops, and creating ambient drones. Customize folding thresholds and modulation for unique sound design.
Easily extract audio from QuickTime (.mov) and MP4 videos. Select a video, specify the extraction time range, choose an output format, and save your audio clip. You can also add custom metadata and artwork to your audio files.
This music player offers real-time audio processing, including time stretching, pitch shifting, and a 31-band equalizer. It supports AUv3 effects and allows for A-B loop playback, making it ideal for practice, transcription, and performance adjustments.
