Speech Blubs: Sprachtherapie
80
Quality Score
Excellent
✍️ Bumetric analysis
“
Speech Blubs: Sprachtherapie is an iOS app from Blub Blub Inc. in the Education category, currently rated 4.6★ across 49,130 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 80: Excellent (strong product-market fit). For a Education app, that means strong product-market fit. 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
$23.9K
per month
→
12-mo forecast
$24.8K – $51.9K
per month
→
24-mo forecast
$30.7K – $92.1K
per month
MID tierSUBSCRIPTION
💡 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
519 snapshots on record
Rating
4.6
Reviews
49,130 reviews
Forecast Revenue / mo
$23.9K
Snapshots tracked
519
since Jun 2025
ONE-TIME · BUILD
💰 Estimated build cost
$165K
↳ What it cost to build · not monthly revenue
Likely range $125K – $225K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~7 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 |
| 📦 Asset bundle (305 MB) | +$40K |
| ⚙ Education complexity ×1.20 | +$18K |
| ⚙ 9.3y maintenance × ~1-person team | +$56K |
Total estimate
$165K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$500K
↳ What it would sell for · not monthly revenue
Marketplace range $375K – $600K · 21× MRR multiple
💸
~3.0× 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 |
| 📅 9.3y proven track record | +20% |
| ⭐ ★ rating ≥ 4.4 (solid) | +8% |
| 🏷 Education category multiple | +6% |
Final multiple
21× MRR
👥 Estimated audience size
2.9M
Lifetime downloads (US-equivalent)
Monthly active
290K
Daily active
87K
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
How we sized it
| 📲 Education engagement | ~85 installs / rating |
| 📅 9.3y of rating accumulation | -30% |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 55%
Also possible
React Native
Flutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
Signals we read
| 📦 App bundle size | 305 MB |
| 🏷 Category context | Education |
| 📦 Large iOS bundle | → Native Swift / UIKit (pre-2020 era) + assets |
💀 Maintenance status
Active
5%
Last shipped 2026-09-25 · 13 days ago
0 · Active
50 · At risk
100 · Abandoned
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| 📅 13 days since last update | Active development |
Verdict
Active
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$23.9K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
Direction
Tailwinds: monetization model proven
Headwinds: review-mined risks present
6 months
$22.7K – $37.9K
12 months
$24.8K – $51.9K
24 months
$30.7K – $92.1K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Building · 57/100MID TIERSUBSCRIPTIONcompetitive build-outGrowth Velocity
5.0
Founder Strength
5.5
Product Quality
7.7
Revenue Strength
4.4
Monetization Maturity
9.5
Defensibility
8.3
Market Position
2.0
Operational Safety
3.0
- 💰 Revenue: Modest — $16K - $35K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.62★ across 49,130 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: dev shipping weekly.
- ⚠️ Risk: High — 2.2% refund mentions, 9% subscription complaints, scam/fraud mentions detected.
🎯 For competitors: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.
💵 For acquirers: Estimated asking range 12-22× monthly = $287K-$526K. Discount applied for operational risk..
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 15 of 17 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (49,130 ratings)METRIC | +$5,500 | |
| Paid app ($0.00)METRIC | +$2,800 | |
| subscriptionREVIEW | +$2,500 | |
| Excellent rating (4.6★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| cancelledREVIEW | −$1,500 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (9y old)METRIC | +$1,500 | |
| Multilingual (10 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| free trialREVIEW | +$1,200 | |
| too expensiveREVIEW | −$1,000 |
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 · v18.4.1
Ready, set, update! We've fine-tuned our app to make learning even more fun for your little ones. Bugs beware!
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Speech Blubs: Sprachtherapie
- Developer
- Blub Blub Inc.
- Bundle ID
- org.blubblub.app.speechblubs
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- CS, EN, FR, DE, HE, IT, PL, PT, ES, SV
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $23.9K/mo
- Top-grossing rank
- 🇺🇸#38 /100 🇬🇧#76 /100 🇨🇦#81 /100 🇧🇷#97 /100
- 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
Contacts & Socials data not yet collected for this app.
📈Ratings growth57,197 ratings+11866% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (0 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Top Countries — Grossing Rank4 countries
🇺🇸US#38 /100
🇬🇧GB#76 /100
🇨🇦CA#81 /100
🇧🇷BR#97 /100
📊Category Rank Trajectory#38 now · best #38 · worst #40
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Update Frequency · Releases per Quarter6 releases tracked
🚀Version Release Timeline6 releases tracked
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
WHAT DOES SPEECH BLUBS OFFER?
Speech Blubs is a voice-controlled speech therapy app designed to help your child learn new sounds and words, and to practice speaking in a stimulating, educational environment.
**FEATURED IN** Autism Parenting Magazine, Brisbane Kids, Speech Chick Therapy, Beautiful Speech Life, and The Speech Teacher. Awarded the Social Impact Award and supported by the Facebook Start Program, and winner of the “Safe for Children” certificate, the Mom’s Choice Award, the Parent’s Picks 2020 Award Winner, and techozens.com’s “Best and Trusted Speech Therapy App for Kids.… View full description on the official store →
Speech Blubs is a voice-controlled speech therapy app designed to help your child learn new sounds and words, and to practice speaking in a stimulating, educational environment.
**FEATURED IN** Autism Parenting Magazine, Brisbane Kids, Speech Chick Therapy, Beautiful Speech Life, and The Speech Teacher. Awarded the Social Impact Award and supported by the Facebook Start Program, and winner of the “Safe for Children” certificate, the Mom’s Choice Award, the Parent’s Picks 2020 Award Winner, and techozens.com’s “Best and Trusted Speech Therapy App for Kids.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 305 MB🔞 4+📱 iOS 16.6+🔖 v18.4.1🔄 updated 1w ago🌐 CS, EN, FR, DE, HE +5📂 Education💰 Paid🚀 Launched 2017 (9y old)
📅
What Worked™ · Development Pipeline
22 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 →
2026-09
🔧
Shipped update — v18.2.1 → v18.4.1
→ 30 days after: reviews +2,087 high confidence
2026-09
📦
Bundle ↓ 3243MB → 261MB — likely major code refresh
→ 30 days after: reviews +2,087 medium · co-occurring
2026-09
🔧
Shipped update — v18.0.2 → v18.2.1
→ 30 days after: reviews +3,684 low · multiple changes
2026-07
🔧
Shipped update — v18.0.1 → v18.0.2
→ 30 days after: reviews +2,371 medium · co-occurring
2026-07
🔧
Shipped update — v18.0.0 → v18.0.1
→ 30 days after: reviews +2,816 low · multiple changes
2026-07
📦
Bundle ↑ 590MB → 3234MB — likely major code refresh
→ 30 days after: reviews +1,219 medium · co-occurring
2026-07
🔧
Shipped update — v17.5.0 → v18.0.0
→ 30 days after: revenue +$30.3K/mo · reviews +1,552 medium · co-occurring
2026-05
📈
Crossed 50,000 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +1,983 high confidence
2026-05
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +1,354 high confidence
2026-05
⭐
Rating ↑ 4.30 → 4.62 (improved 0.32★)
→ 30 days after: reviews +1,354 high confidence
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +20 low · multiple changes
2026-03
⭐
Rating ↓ 4.70 → 4.29 (dropped 0.41★)
→ 30 days after: reviews +21 low · multiple changes
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +23 medium · co-occurring
2026-03
⭐
Rating ↑ 4.29 → 4.70 (improved 0.41★)
→ 30 days after: reviews +23 medium · co-occurring
2025-08
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +64 high confidence
2025-07
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.12★ · reviews +63 high confidence
2025-06
🚀
First tracked snapshot — initial data captured
→ 30 days after: reviews +35 low · multiple changes
2025-06
⭐
Rating ↓ 4.00 → 3.67 (dropped 0.33★)
→ 30 days after: reviews +29 low · multiple changes
2025-06
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +29 low · multiple changes
2025-06
⭐
Rating ↓ 4.00 → 3.40 (dropped 0.60★)
→ 30 days after: rating −0.11★ · reviews +25 low · multiple changes
🔎
ASO Keyword Positions
BEST RANK #20Ranked for 2 App Store search queryies in our last keyword sweep. Lower position = closer to the top.
abc tracing·#20🇺🇸kids learning·#46🇺🇸
Last sweep: 2026-05-19 · iTunes Search API
🗣
Voice of Customer
Based on 769 reviews across 9 markets● 63% positive · ● 20% neutral · ● 16% negative · Rating drift: -1.08★ (declining — recent 50: 3.54★ vs lifetime: 4.62★)
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇺🇸 US
+0.44
🇨🇦 CA
+0.39
🇯🇵 JP
+0.38
🇩🇪 DE
+0.36
🇦🇺 AU
+0.28
🇬🇧 GB
+0.24
🇫🇷 FR
+0.20
🇮🇳 IN
+0.06
🇧🇷 BR
-0.01
Top praise themes
son loves ×20 daughter loves ×11 old loves ×11 muito bom ×8 two old ×7 new words ×7 toddler loves ×7 grandson loves ×6
Top complaint themes
free trial ×51 cancel subscription ×13 customer service ×10 canceled subscription ×8 cancel free ×7 won let ×6 cancelled subscription ×6 child lock ×6
Risk signals
Refund mentions: 2.2% Subscription complaints: 9% Fraud / scam mentions: 2.3%
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.32496★ | 1,671 | 4.32496★ this version |
| 🇧🇷 BR | 4.73998★ | 5,546 | 4.73998★ this version |
| 🇨🇦 CA | 4.44689★ | 2,777 | 4.44689★ this version |
| 🇩🇪 DE | 4.60619★ | 452 | 4.60619★ this version |
| 🇫🇷 FR | 4.46373★ | 524 | 4.46373★ this version |
| 🇬🇧 GB | 4.277★ | 2,935 | 4.277★ this version |
| 🇮🇳 IN | 4.35323★ | 201 | 4.35323★ this version |
| 🇯🇵 JP | 4.46666★ | 60 | 4.46666★ this version |
| 🇺🇸 US | 4.62209★ | 57,197 | 4.62209★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Speech Blubs: Sprachtherapie: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Blub Blub Inc.
View all →📦 Portfolio summaryINDIE studio
2apps·$28K/mocombined
⚠ Concentrated — top app contributes 83% of combined revenue (single-app dependency)
About this analysis
Why high confidence: 49,130 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Speech Blubs make per month?▴
Based on our ML-calibrated revenue forecast, Speech Blubs earns approximately $23K/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.
Is Speech Blubs profitable?▴
With estimated build cost $165K and monthly revenue $23K, Speech Blubs looks profitable — pays back its estimated build cost in roughly 7 months at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Speech Blubs have?▴
Estimated audience: ~2.9M lifetime downloads, ~290K monthly active users, and ~87K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like Speech Blubs?▴
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.
What is Speech Blubs built with?▴
Our heuristic places Speech Blubs on the Native iOS (Swift / UIKit) stack (Medium confidence, 55%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is Speech Blubs still actively maintained?▴
Maintenance status: Active (5% abandonment risk). Last shipped version was 13 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Speech Blubs sell for?▴
Estimated acquisition value: $500K (marketplace range $375K – $600K). Calculated as 21× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was Speech Blubs last updated?▴
Speech Blubs last shipped a new version on 2026-09-25 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Speech Blubs?▴
Speech Blubs is published by Blub Blub Inc. 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 Speech Blubs's BU Score?▴
Speech Blubs has a BU Score of 80/100 (Excellent). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.