250+ iOS apps curated and reviewed
Out of 250+ daf delayed auditory feedback apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 2.3★ (6) | Yes | No | Sep 2026 | |
| 2 |  | Free | 4.3★ (34) | No | No | May 2026 | |
| 3 |  | $5.99 | 4.5★ (97) | No | No | Sep 2026 | |
| 4 |  | Free | 3.1★ (613) | Yes | No | Sep 2026 | |
| 5 |  | Free | — | No | No | Aug 2026 | |
| 6 |  | $1.99 | 4.8★ (4) | No | No | Sep 2026 | |
| 7 |  | Free | 4.9★ (2.1K) | No | No | Sep 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
This app uses delayed auditory feedback to make speaking difficult by playing your voice back through headphones with a slight delay. It's a tool for psychological experiments, allowing users to test the effects of DAF on their own speech.
This application utilizes Delayed Auditory Feedback to assist individuals who stutter in achieving more fluent speech. By listening to their voice with a slight delay and pitch alteration through a headset, users can experience a 'choral effect' known to reduce stuttering.
This app provides a clinically recognized speech therapy technique to help individuals who stammer or have neurological conditions. It offers real-time audio feedback to naturally slow down speech, improving clarity and fluency. Designed for ease of use and privacy, it works even with the screen off.
