64
BU Score
Solid
DAF Pro: Flüssige Sprache
✍️ bumetric analysis
“
DAF Pro: Flüssige Sprache is an iOS app from Speechtools Ltd in the Education category, currently rated 4.5★ across 93 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 64: Solid (established niche player). For a Education app, that means established niche player.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 9 of 9 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (14y old)METRIC | +$1,500 | |
| Multilingual (25 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| Good rating (4.5★)METRIC | +$800 | |
| Pre-traction phase (93 ratings)METRIC | −$300 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 11 MB🔞 4+📱 iOS 17.0+🔖 v4.9.1🔄 updated 0d ago🌐 AR, DA, NL, EN, FR +20📂 Education💰 Paid🚀 Launched 2012 (14y old)
📝 About this app
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
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
🆕 What's New · v4.9.1
Bug fixes and performance enhancements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- DAF Pro: Flüssige Sprache
- Developer
- Speechtools Ltd
- Bundle ID
- com.aszart.dafprofessional
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- AR, DA, NL, EN, FR, DE, EL, HE, HI, ID, IT, JA, KO, MS, NB, PL, PT, RU, ZH, ES, SV, TH, ZH, TR, VI
Company
- Website
- www.speechtools.co
- Tagline
- Award winning Speech Therapy apps
- Description
- Award winning apps for Speech Therapy / Pathology clinicians and their clients. Voice analysis, vocal training, help with stuttering and swallowing, voice feminisation and more.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $22.3K/mo
- Top-grossing rank
- Outside top 99 in US Education
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- https://twitter.com/speechtoolsapps
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- http://www.speechtools.co/blog
- Press / News
- Not found
Contacts & Socials
- Socials
- facebook · twitter · youtube
- Not found
- Phone
- Not found
- Contact page
- http://www.speechtools.co/contact
- About page
- http://www.speechtools.co/about
📈Ratings growth93 ratings+9200% lifetimeShow 3-year history estimate ▾
Tracked (25 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
Full revenue analysis
Read the article-style breakdown for DAF Pro: Flüssige Sprache: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.