D.A.F Fluency studio
DAF + FAF · Stuttering
About
This app utilizes Delayed Auditory Feedback (DAF) and Pitch-Shifted Auditory Feedback (FAF) to help individuals reduce stuttering and improve speech fluency. It offers a full audio studio with customizable feedback, AI-powered coaching, and practice tools in multiple languages.
What's New in D.A.F Fluency studio
1.0.10
August 26, 2026
- Stimulation Lab: white, pink and brown noise generators with low-pass, high-pass, band-pass and narrow-band filters. Built-in hardware limiter and emergency stop button. - Combined mode: overlay DAF and FAF on top of the generated noise, in a single audio stream. - Clinical stuttering analysis: automatic detection of repetitions, prolongations, blocks and interjections with word-level transcription. - Clinical metrics: %SS, articulatory rate, phonation time. - Interactive timeline: edit, delete or recategorize each detected event. - Progress tracking: charts over 7 days, 30 days and 1 year. - Clinical report export in CSV, JSON or PDF. - Audio fixes and self-repair when the system interrupts the session.
MoreSubscriptions & In-App Purchases
Fluency Pro Mensuel
Toutes les fonctionnalités Pro
Developer apps
FAQ
What is DAF Fluency studio?
DAF Fluency studio is a speech training application that uses Delayed Auditory Feedback (DAF) and Pitch-Shifted Auditory Feedback (FAF) to help users reduce stuttering and improve speech fluency. It offers various tools and AI features to aid in practice and therapy.
How effective are DAF and FAF for stuttering?
Research cited in the app suggests significant reductions in stuttering blocks. For example, studies show up to -85% blocks in adults with DAF and -74% disfluencies with FAF at -1 semitone. AI Choral Speech has also shown up to -70% disfluencies.
What features are available in the free version of DAF Fluency studio?
The free mode includes the DAF Player, a Metronome, a History log of practice sessions, and access to scientific documentation. This allows users to experience the core feedback mechanisms.
What are the subscription options for DAF Fluency studio Pro?
DAF Fluency studio Pro offers monthly and yearly subscription plans, with prices of $3.99/month and $17.99/year respectively. Both plans include a 7-day free trial. A one-time lifetime purchase option is also available.
Does DAF Fluency studio have ads?
No, DAF Fluency studio does not contain advertisements. The app is free to download and use with core features, with an option to upgrade to Pro for advanced functionalities.
What languages does DAF Fluency studio support?
DAF Fluency studio supports six languages: French, English, Spanish, German, Italian, and Portuguese. This allows a wide range of users to benefit from its speech fluency training tools.
How often is DAF Fluency studio updated?
The app was last updated on August 26, 2026, with version 1.0.10. This indicates a relatively recent update, suggesting ongoing development and support for the application.
Is DAF Fluency studio suitable for children?
DAF Fluency studio has an age rating of 4+, making it suitable for children. The app's features and scientific backing can be beneficial for younger individuals working on speech fluency.