---
title: "D.A.F Fluency studio - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Fluency brings together the two most-researched auditory feedback methods against stuttering, cluttering and rushed speech: DAF (delayed feedback) and FAF (pitch shift).  SCIENCE - Up to -85% blocks i"
---

# D.A.F Fluency studio — United States
> DAF + FAF · Stuttering

![D.A.F Fluency studio App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/44/64/4f/44644ff4-3929-e470-77b0-08348d986761/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Philippe Mouchnino](https://apptail.io/developer/philippe-mouchnino-YFsUwc)
**Category:** Medical
**Rating:** 3.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** app.emergent.stutterechob9285d32
**Store:** Apple App Store
**Country:** United States
**Version:** 1.0.10 (released 2026-08-26)
**Original Release:** 2026-07-16
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6778183330)
**AppTail Page:** [https://apptail.io/app/daf-fluency-studio-wTYA/united-states](https://apptail.io/app/daf-fluency-studio-wTYA/united-states)

## D.A.F Fluency studio Description
Fluency brings together the two most-researched auditory feedback methods against stuttering, cluttering and rushed speech: DAF (delayed feedback) and FAF (pitch shift).

SCIENCE
- Up to -85% blocks in adults who stutter in reading (Stuart et al., 1996).
- -74% disfluencies with FAF -1 semitone (Antipova, 2008).
- AI Choral Speech: -70% disfluencies (JSLHR, 2024).

FULL AUDIO STUDIO
- Real-time DAF knob (0 to 500 ms)
- FAF knob (-3 to +3 semitones)
- Visual metronome with adjustable BPM
- 8 therapy presets (reading, conversation, spontaneous speech...)

BUILT-IN AI (Pro)
- Post-session Coach (GPT-5.2 + Whisper)
- Custom practice texts
- Choral Speech reading with AI voice
- Oral story completion
- Karaoke with original lyrics
- Fluence Run mini-game

6 LANGUAGES
French, English, Spanish, German, Italian, Portuguese.

FREE MODE always available
DAF Player + Metronome + History + Scientific documentation.

Pro: monthly or yearly subscription, or one-time lifetime purchase. 

Fluency is a training tool. It does not replace speech-language therapy.

Terms of Use (EULA): 
Privacy Policy: 

## D.A.F Fluency studio Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/29/5a/55/295a5538-7e14-da09-a2c3-4091b0119f75/iphone_03_pro_hero_1284x2778.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/bc/54/7c/bc547c6d-efeb-8cf7-6ad7-3aa8ec523dcf/iphone_02_home_controls_1284x2778.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e8/7c/a1/e87ca136-d3b6-81f7-8b93-0b0b324b7326/iphone_04_pro_features_1284x2778.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/77/12/21/771221ec-3a04-890b-3e68-2fd3e10fcd12/iphone_05_pro_pricing_1284x2778.png/1284x2778.png)

## D.A.F Fluency studio Rating Breakdown in United States
- 5 stars: 0 (0%)
- 4 stars: 0 (0%)
- 3 stars: 1 (100%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)






## D.A.F Fluency studio Available In
- [United States](https://apptail.io/app/daf-fluency-studio-wTYA/united-states)
- [China](https://apptail.io/app/daf-fluency-studio-wTYA/china)
- [Hungary](https://apptail.io/app/daf-fluency-studio-wTYA/hungary)
- [Israel](https://apptail.io/app/daf-fluency-studio-wTYA/israel)
- [Canada](https://apptail.io/app/daf-fluency-studio-wTYA/canada)
- [Mali](https://apptail.io/app/daf-fluency-studio-wTYA/mali)
- [Peru](https://apptail.io/app/daf-fluency-studio-wTYA/peru)
- [Japan](https://apptail.io/app/daf-fluency-studio-wTYA/japan)

---

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