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66
BU Score
Solid

Grammatisch - Deutsch lernen

4.7 ✍️ Editor
✍️ 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 66Solid (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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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue 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

LIVE
Cumulative 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

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each 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.

🆕 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
LinkedIn
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
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth678 ratings+67700% lifetimeShow 3-year history estimate ▾Apr 2017Dec 2023May 2026
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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