DAF Pro: Fluent Speech
DAF Pro: Fluent Speech Summary
DAF Pro: Fluent Speech is a mobile iOS app in Medical by Speechtools Ltd. Released in Jan 2012 (14 years ago). It has 98 ratings with a 4.27★ (good) average. Based on AppGoblin estimates, it reaches roughly 106 monthly active users . Store metadata: updated Jan 28, 2026.
Recent activity: 1.00 new ratings this week View trends →
Store info: Last updated on App Store on Jan 28, 2026 .
4.27★
Ratings: 98
Screenshots
App Description
The #1 DAF App Used Worldwide!
DAF Pro is a professional speech therapy tool designed to help people who stammer or have neurological conditions like Parkinson’s Disease. It helps slow down speech, making it clearer and more fluent.
Why Choose DAF Pro?
* Proven Speech Therapy – Uses Delayed Auditory Feedback (DAF), a clinically recognized technique.
* Ultra-Low Latency – Real-time feedback, even in the background.
* Easy to Use – Designed for all users, from professionals to individuals.
* Trusted by Experts – Developed & tested by a certified Speech & Language Therapist.
How It Works
DAF Pro alters how you hear your own speech, helping to naturally slow down your speaking rate. Research shows that DAF benefits 1 in 3 people with a stammer or Parkinson’s.
Designed for Convenience
Works even when the screen is off
Supports wired & Bluetooth headsets (note: Bluetooth adds a 60ms delay)
No ads, no data collection – GDPR compliant
What Users Say
* "Life-changing for my speech!"
* "Simple and effective – highly recommend!"
Have questions or feedback? We’d love to hear from you! Contact us at support@speechtools.co