DAF Pro: Flüssige Sprache
64
Quality Score
Solid
DAF Pro: Flüssige Sprache
Low confidence
✍️ 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.
Quality Score is 64: Solid (established niche player). For a Education app, that means established niche player. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
💰 Monthly revenue · now vs forecast
● Right now
$2.7K
per month
→
12-mo forecast
$2.3K – $8.5K
per month
→
24-mo forecast
$2.2K – $19.6K
per month
INDIE tier
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$60K
↳ What it cost to build · not monthly revenue
Likely range $45K – $80K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~3 months at current MRR
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| ⚙ Education complexity ×1.20 | +$10K |
Total estimate
$60K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$350K
↳ What it would sell for · not monthly revenue
Marketplace range $275K – $450K · 16× MRR multiple
💸
~5.8× return on build cost
Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
How the multiple was built
| 📺 Ad-supported base | 15× MRR |
| ⭐ ★ rating ≥ 4.4 (solid) | +8% |
| 🏷 Education category multiple | +6% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
16× MRR
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$2.7K/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$2.3K – $5.3K
12 months
$2.3K – $8.5K
24 months
$2.2K – $19.6K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Early-stage solo · 44/100INDIE TIERexpected for tierGrowth Velocity
5.0
Founder Strength
6.1
Product Quality
3.6
Revenue Strength
3.4
Monetization Maturity
1.0
Defensibility
6.0
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Modest — $1K - $6K/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.45★ across 93 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $48K-$86K. Portfolio play ($26K/mo combined) commands premium.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
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.
🆕 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
- Not found
- 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 100 in US Education
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
- Socials
- facebook facebook.com/speechtoolsapps · twitter twitter.com/speechtoolsapps · youtube youtube.com/channel/UCXr7ppz0acVonrqh…
- Not found
- Phone
- Not found
- Contact page
- speechtools.co/contact
- About page
- speechtools.co/about
📈Ratings growth93 ratings+9200% lifetimeShow 3-year history estimate ▾
Tracked (29 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.
💰Pricing History$0.00 → $5.99 (+0%)
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.
📝 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… View full description on the official store →
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… View full description on the official store →
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
📅
What Worked™ · Development Pipeline
8 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
⭐
Rating ↑ 2.60 → 4.45 (improved 1.85★)
2026-05
💲
Went paid — introduced $5.99 price point
2026-03
⭐
Rating ↓ 3.88 → 2.60 (dropped 1.28★)
2026-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
2014-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
2013-01
⭐
Rating ↓ 4.43 → 4.00 (dropped 0.43★)
2012-06
⭐
Rating ↓ 5.00 → 4.33 (dropped 0.67★)
2012-01
🚀
First tracked snapshot — initial data captured
🔔
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📝 Description
95
BU Score · Transcendent
More by Speechtools Ltd
View all →📦 Portfolio summaryINDIE studio
5apps·$26K/mocombined
⚠ Concentrated — top app contributes 84% of combined revenue (single-app dependency)
About this analysis
Why low confidence: only 93 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does DAF Pro make per month?▴
Based on our ML-calibrated revenue forecast, DAF Pro earns approximately $22K/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
What apps are like DAF Pro?▴
Browse the full Education category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes DAF Pro?▴
DAF Pro is published by Speechtools Ltd on the Apple App Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is DAF Pro's BU Score?▴
DAF Pro has a BU Score of 64/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.