LanguageTool - Textkorrektur
67
Quality Score
Solid
LanguageTool - Textkorrektur
Medium confidence
✍️ bumetric analysis
“
LanguageTool - Textkorrektur is an iOS app from LanguageTooler GmbH in the Productivity category, currently rated 4.8★ across 537 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 67: Solid (established niche player). For a Productivity 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
$8.4K
per month
→
12-mo forecast
$8.7K – $18.1K
per month
→
24-mo forecast
$10.7K – $32.1K
per month
MID 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
$55K
↳ What it cost to build · not monthly revenue
Likely range $40K – $75K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.4y 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 |
| ⚙ Productivity complexity ×1.10 | +$5K |
Total estimate
$55K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$30K
↳ What it would sell for · not monthly revenue
Marketplace range $25K – $40K · 17× MRR multiple
💸
~0.5× build cost (under-water)
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 ≥ 4.7 (premium) | +15% |
| 🏷 Productivity category multiple | +8% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
17× MRR
👥 Estimated audience size
40K
Lifetime downloads (US-equivalent)
Monthly active
12K
Daily active
5.4K
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
| 📲 Productivity engagement | ~75 installs / rating |
| 🔁 Productivity D30 retention | 30% |
| 📍 DAU / MAU stickiness | 0.45 |
DAU / MAU
45% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$8.4K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$7.9K – $13.2K
12 months
$8.7K – $18.1K
24 months
$10.7K – $32.1K
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
Below median · 42/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
4.3
Product Quality
6.7
Revenue Strength
3.9
Monetization Maturity
1.0
Defensibility
3.3
Market Position
2.0
Operational Safety
7.0
- 💰 Revenue: Modest — $5K - $12K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.81★ across 537 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1548d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1548d since update).
🎯 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 = $150K-$267K.
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 6 of 6 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 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| highly recommendREVIEW | +$1,400 | |
| annoying adsREVIEW | −$1,100 | |
| Established app (5y old)METRIC | +$800 | |
| Early-stage install base (537 ratings)METRIC | +$400 |
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 · v1.2.3
Fixes a bug that caused the keyboard to crash when switching the language
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- LanguageTool - Textkorrektur
- Developer
- LanguageTooler GmbH
- Bundle ID
- org.languagetool.safari
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- EN, FR, DE, ES
Company
- Website
- Not found
- Tagline
- More than a Grammar Checker Free Grammar Checker
- Description
- Instantly check grammar, punctuation, and spelling errors with LanguageTool's AI-powered grammar checker. Enhance your writing in over 30 languages with ease.
- Founded
- 2003
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.9K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- x.com/languagetool
- linkedin.com/company/languagetool
- GitHub
- github.com/languagetool-org/languagetool
- X followers
- Not found
- Public statements
- Not found
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/LanguageTool · github github.com/languagetool-org/languagetool · instagram instagram.com/languagetool · linkedin linkedin.com/company/languagetool · tiktok tiktok.com/@languagetool · twitter x.com/languagetool
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- languagetool.org/about
📈Ratings growth537 ratings+53600% lifetimeShow 3-year history estimate ▾
Tracked (34 weeks) Pre-tracking estimate (35 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.
📝 About this app
LanguageTool is your intelligent writing assistant for all common browsers, word processors, Windows, macOS and iOS.
Using state-of-the-art technology, LanguageTool finds more errors than comparable spell checkers and additionally enriches your texts with helpful grammar and style suggestions for more than 20 languages.
The importance of written communication is increasing, especially in times when working from home is more in demand.… View full description on the official store →
Using state-of-the-art technology, LanguageTool finds more errors than comparable spell checkers and additionally enriches your texts with helpful grammar and style suggestions for more than 20 languages.
The importance of written communication is increasing, especially in times when working from home is more in demand.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 15 MB🔞 4+📱 iOS 14.5+🔖 v1.2.3🔄 updated 0d ago🌐 EN, FR, DE, ES📂 Productivity💰 Paid
📅
What Worked™ · Development Pipeline
7 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
🔄
Monetization changed: paid → free
2026-03
⭐
Rating ↑ 3.69 → 4.80 (improved 1.11★)
2026-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
2022-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
2022-05
⭐
Rating ↓ 4.63 → 4.22 (dropped 0.41★)
2022-02
⭐
Rating ↓ 5.00 → 4.40 (dropped 0.60★)
2021-03
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.44444★ | 27 | 4.44444★ this version |
| 🇧🇷 BR | 4.86533★ | 349 | 4.86533★ this version |
| 🇨🇦 CA | 4.79024★ | 205 | 4.79024★ this version |
| 🇩🇪 DE | 4.78181★ | 1,737 | 4.78181★ this version |
| 🇫🇷 FR | 4.77174★ | 1,472 | 4.77174★ this version |
| 🇬🇧 GB | 4.81818★ | 55 | 4.81818★ this version |
| 🇮🇳 IN | 4.64706★ | 34 | 4.64706★ this version |
| 🇯🇵 JP | 4.18182★ | 11 | 4.18182★ this version |
| 🇺🇸 US | 4.80891★ | 539 | 4.80891★ this version |
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for LanguageTool - Textkorrektur: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Similar apps in Productivity
About this analysis
Why medium confidence: 537 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does LanguageTool - Textkorrektur make per month?▴
Based on our ML-calibrated revenue forecast, LanguageTool - Textkorrektur earns approximately $1.9K/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 LanguageTool - Textkorrektur?▴
Browse the full Productivity 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 LanguageTool - Textkorrektur?▴
LanguageTool - Textkorrektur is published by LanguageTooler GmbH 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 LanguageTool - Textkorrektur's BU Score?▴
LanguageTool - Textkorrektur has a BU Score of 67/100 (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.