Price and ratings
- Price
- £4.99
- Rating
- 4.1 out of 5
- Ratings
- 16United Kingdom
Versions
- Released
- 4 Jan 201214 years ago
- Last update
- 21 days agoVersion 4.10.0
- Requires
- iOS 17.0 or later
Details
- Size
- 12.2 MB
- Languages
- 25
DAF Pro helps people who stammer and people with Parkinson's slow down and speak more fluently. Put on headphones, speak, and hear your own voice a fraction of a second later. How It Works Delayed auditory feedback (DAF) is a clinically recognised speech therapy technique. Hearing your voice on a short delay naturally slows your speaking rate, which can make speech smoother and clearer. Research suggests DAF helps around 1 in 3 people who stammer, and it is also used to help people with…
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Full chartTop of Paid · Medical in Brazil. DAF Pro: Stammer & Parkinson's is #13 there. Changes are over 7 days.
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Store listing
How the app presents itself on the App Store. Select a screenshot to open it full size.
What's new
Version 4.10.0 · 17 Sep 2026 · 21 days ago
Updated for iOS 27
Current rankings
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| Brazil· Paid · Medical | #13 | Change unknown | Change unknown | #13 | 1 |
| Japan· Paid · Medical | #15 | Change unknown | Change unknown | #15 | 1 |
| United Kingdom· Paid · Medical | #21 | Change unknown | Change unknown | #21 | 1 |
| India· Paid · Medical | #54 | Change unknown | Change unknown | #54 | 1 |
| Canada· Paid · Medical | #56 | Change unknown | Change unknown | #56 | 1 |
| France· Paid · Medical | #79 | Change unknown | Change unknown | #79 | 1 |
Rank history
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Ranking events
Entries, big moves, #1s and new versions we've recorded.
No events recorded yet
Events appear as the app enters charts, moves 25+ places or ships a new version.
More from Speechtools Ltd
Their other apps that Appulse has seen in the charts, charting ones first.
| App | Best rank now | Released | App Store |
|---|---|---|---|
| Paid · MedicalJapan#6 | 12 years ago | ||
 Swallow Prompt: Saliva HelpMedical | Paid · MedicalUnited Kingdom#30 | 13 years ago | |
| Paid · MusicUnited Kingdom#69 | 9 years ago |
