
71
BU Score
Strong
Johnny Grammar Word Challenge
✍️ BU Analytics Review
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Johnny Grammar Word Challenge is an Android app from British Council in the Education category, currently rated 4.4★ across 36,577 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 71 — Strong (healthy traction). For a Education app, that means healthy traction.
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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (36,577 ratings)METRIC | +$5,500 | |
| Good rating (4.4★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
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.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v3.12.0-phone🔄 updated 1y ago📂 Education💰 Free
📝 About this app
What’s the difference between “in time” and “on time”? What do you call a person who cuts a man’s hair? What do you call an animal doctor?
Beat the clock and answer as many spelling, vocabulary and grammar questions as you can in this 60-second quiz!
Johnny Grammar’s Word Challenge is a quiz for English learners to test common vocabulary, spelling and grammar that appear in everyday English.
Main features:
- 3 difficulty levels – Easy, Medium, Hard
- 3 categories – Words, Grammar, Spelling
- 10 topics that include Food & Restaurants, Travel, Idioms and Hobbies.
- Earn badges as you progress and share your score with others on the leaderboard!
- Compete with others on a global leaderboard
- Feedback is given for the wrong answers so that you know why they’re wrong.
Find even more exciting language activities at
http://www.britishcouncil.org/learnenglish
PERSONAL DATA AND PRIVACY
Your privacy is very important to us. We track how the app is used, such as which games are played but we only use this information to improve the app. We may occasionally send you a message about services from your local British Council centre. We detect your location based on your GPS position. Continued use of GPS running in the background can decrease battery life. Learn more about the British Council's privacy policy here: https://www.britishcouncil.org/organisation/transparency/policies/information-security-privacy
LEARN ENGLISH WITH THE BRITISH COUNCIL
Learn English in our classrooms with the world’s English experts. We’ve been teaching English for more than 75 years and have helped more than 100 million people in 100 different countries improve their English skills and build their confidence. Visit www.britishcouncil.org/english to find out more information.
ABOUT THE BRITISH COUNCIL’S ENGLISH LEARNING APPS
The British Council creates top English learning apps for learners of all ages. You can download our apps to practise grammar, vocabulary and listening. Visit our website to see all our apps www.britishcouncil.org/mobilelearning.
Beat the clock and answer as many spelling, vocabulary and grammar questions as you can in this 60-second quiz!
Johnny Grammar’s Word Challenge is a quiz for English learners to test common vocabulary, spelling and grammar that appear in everyday English.
Main features:
- 3 difficulty levels – Easy, Medium, Hard
- 3 categories – Words, Grammar, Spelling
- 10 topics that include Food & Restaurants, Travel, Idioms and Hobbies.
- Earn badges as you progress and share your score with others on the leaderboard!
- Compete with others on a global leaderboard
- Feedback is given for the wrong answers so that you know why they’re wrong.
Find even more exciting language activities at
http://www.britishcouncil.org/learnenglish
PERSONAL DATA AND PRIVACY
Your privacy is very important to us. We track how the app is used, such as which games are played but we only use this information to improve the app. We may occasionally send you a message about services from your local British Council centre. We detect your location based on your GPS position. Continued use of GPS running in the background can decrease battery life. Learn more about the British Council's privacy policy here: https://www.britishcouncil.org/organisation/transparency/policies/information-security-privacy
LEARN ENGLISH WITH THE BRITISH COUNCIL
Learn English in our classrooms with the world’s English experts. We’ve been teaching English for more than 75 years and have helped more than 100 million people in 100 different countries improve their English skills and build their confidence. Visit www.britishcouncil.org/english to find out more information.
ABOUT THE BRITISH COUNCIL’S ENGLISH LEARNING APPS
The British Council creates top English learning apps for learners of all ages. You can download our apps to practise grammar, vocabulary and listening. Visit our website to see all our apps www.britishcouncil.org/mobilelearning.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Johnny Grammar Word Challenge
- Developer
- British Council
- Bundle ID
- com.ubl.spellmaster
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- Not found
- 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
- $1.6K/mo
- Top-grossing rank
- Not found
- 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
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.




