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.

212+ iOS apps curated and reviewed
Out of 212+ daf delayed auditory feedback apps on iOS, 17 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 | May 2026 | |
| 2 | Free | 4.3★ (34) | No | No | May 2026 | |
| 3 | $4.99 was $5.99 | 4.5★ (97) | No | No | Aug 2026 | |
| 4 | Free | 3.1★ (613) | Yes | No | Aug 2026 | |
| 5 | Free | — | No | No | May 2026 | |
| 6 | $1.99 | 4.5★ (4) | No | No | Jul 2026 | |
| 7 | Free | 4.9★ (2.1K) | No | No | Jul 2026 | |
| 8 | Free | 4.4★ (36) | No | No | Jul 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.


This app creates a humorous effect by echoing your voice back with an adjustable delay, making it challenging to speak. It includes tongue twisters and recording capabilities to enhance the fun. Share your vocal struggles with friends through various platforms.




This app provides delayed auditory feedback to help users improve their speech fluency in real-time. By hearing their voice with a slight delay, users can adjust their breathing and timing to overcome speaking obstacles, potentially reducing stuttering.


Access engaging daily Torah lectures with insightful commentaries and practical Halacha. Enjoy offline listening, custom playlists, and progress tracking for a comprehensive learning experience anytime, anywhere.


Assess your hearing health with quick and comprehensive tests. This app offers an auditory age assessment, tracks your hearing data, and personalizes sound for accurate results. It's a convenient tool for monitoring your hearing over time.


This app offers a supportive environment for individuals who stutter, providing lessons, exercises, and community connections. It utilizes voice recognition technology for real-time speech feedback to help users develop healthier communication habits.


Control your hearing aids directly from your mobile device. Adjust volume, change programs, personalize sound settings, and even locate lost devices. Receive remote updates and support from your hearing care professional.


Explore Jewish texts with a personalized feed of lectures, short clips, and resources. Learn daily, discover topics of interest through curated content, and set your own learning pace with flexible clip lengths.


Navigate with offline truck-specific routing, avoiding traffic with live updates when data is enabled. Input your vehicle's dimensions for optimized routes. Enjoy regular map updates for accurate navigation.


This utility app helps live sound professionals and musicians instantly detect problematic feedback frequencies in real-time. It features a visual spectrum analyzer, smart alerts, and customizable settings for optimal performance.


Control your hearing aids directly from your smartphone. Adjust volume, change programs, personalize sound settings, and even locate lost devices. Receive remote updates and support from your hearing care professional.


Daily 8-minute video clips offer a clear synopsis of the Daf, enriched with visual aids like pictures, videos, and charts. This app provides a concise and engaging way to study the Daf.


This audio recording tool allows real-time input monitoring while recording. It's ideal for vocalists, voice training, and lessons, offering playback through earphones to check your sound as you record. You can also record with your iTunes music for practice.


This app revolutionizes Talmud study with animated graphics and clear explanations. It offers an introduction, a full lesson, and a review for each daf, making complex concepts accessible and aiding memorization.


This app allows users to control their hearing sound processor directly from a mobile device. Adjust volume, treble, bass, and sensitivity settings, and stream audio wirelessly. It also helps locate lost devices and monitor battery levels and usage statistics.


This app offers a comprehensive suite of audio tools, including a precise frequency generator, hardware testing capabilities, and focus-enhancing ambient sounds. It also features a metronome and guided breathing exercises for wellness and productivity.


This professional audio analysis app offers a comprehensive suite of tools for acoustic measurements, including SPL, RTA, and FFT. It calibrates device microphones for accurate results and allows for the addition of powerful optional modules for advanced analysis.