66
BU Score
Solid
Grammatisch - Deutsch lernen
✍️ BU Analytics Review
“
Grammatisch - Deutsch lernen is an iOS app from Konsonant Ensino Digital de Idiomas Ltda in the Education category, currently rated 4.7★ across 678 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 66 — 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 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (4.7★)METRIC | +$2,200 | |
| 5 starREVIEW | +$1,800 | |
| cancelledREVIEW | −$1,500 | |
| Mature app (9y old)METRIC | +$1,500 | |
| Multilingual (12 languages)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (678 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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
May 24
Mar 25
May 25
Jul 25
Oct 25
⭐ 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 →💾 116 MB🔞 4+📱 iOS 16.0+🔖 v3.8.1🔄 updated 2w ago🌐 AR, EN, FR, DE, IT +7📂 Education💰 Paid🚀 Launched 2017 (9y old)
📝 About this app
Learn German for real with Grammatisch. The app has thousands of exercises as well as summaries, tables and lists for the key topics of the German grammar. You don’t need to take leveling tests, just pick any topic and start learning it. You can solve dozens of exercises in a row to memorize concepts and grammar rules in a short time. When you finish an exercises session, you can check your score and a detailed correction of your answers.
The following topics are covered:
• Bestimmter Artikel
• Pluralform
• Personalpronomen
• Verbkonjugation - Präsens
• Possessivpronomen
• Reflexive Verben
• Nominativ
• Akkusativ
• Dativ
• Präpositionen
• N-Deklination
• Relativsätze
• Trennbare Verben
• Perfekt
• Adjektivdeklination
• Passiv
• Verben mit Präpositionen
• Konjunktiv II
• Nominalisierung
…and many more coming in the next updates!
This app does not require an internet connection to work.
The following topics are covered:
• Bestimmter Artikel
• Pluralform
• Personalpronomen
• Verbkonjugation - Präsens
• Possessivpronomen
• Reflexive Verben
• Nominativ
• Akkusativ
• Dativ
• Präpositionen
• N-Deklination
• Relativsätze
• Trennbare Verben
• Perfekt
• Adjektivdeklination
• Passiv
• Verben mit Präpositionen
• Konjunktiv II
• Nominalisierung
…and many more coming in the next updates!
This app does not require an internet connection to work.
🆕 What's New · v3.8.1
• Bug fixes
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Grammatisch - Deutsch lernen
- Developer
- Konsonant Ensino Digital de Idiomas Ltda
- Bundle ID
- CI.GrammarApp
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- AR, EN, FR, DE, IT, PL, PT, RU, ES, TH, TR, UK
Company
- Website
- grammatisch.com
- Tagline
- Not found
- Description
- Not found
- 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
- $1.9K/mo
- Top-grossing rank
- Outside top 100 in US Education
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- 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
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth678 ratings+67700% lifetimeShow 3-year history estimate ▾
Tracked (41 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.
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