English Grammar and Phonetics

62
English Grammar and Phonetics
English Grammar and Phonetics is an Android app from TeacherApp English in the Education category, currently rated 4.4★ across 4,214 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 62: Solid (established niche player). For a Education 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.
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
📊 Performance Tracking LIVE
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.
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| ⚙ Education complexity ×1.20 | +$10K |
| 🌐 Cross-platform reach (iOS + Android) | +$33K |
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.
| 📺 Ad-supported base | 15× MRR |
| 🏷 Education category multiple | +6% |
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.
| 📲 Education engagement | ~85 installs / rating |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
How we forecast this revenue
LOW CONFIDENCEBU Investment Matrix
Early-stage solo · 42/100INDIE TIERexpected for tier- 💰 Revenue: Marginal — $299 - $1872/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.38★ across 4,214 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 672d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (672d since update).
💰 Forecast Revenue / mo
MODEL| Low install base (4,214 ratings)METRIC | +$1,500 | |
| Mature app (11y old)METRIC | +$1,500 | |
| Good rating (4.4★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
📈 Reviews Growth
LIVE⭐ Rating Trend
LIVEProfile & Insights
Identification
- App name
- English Grammar and Phonetics
- Developer
- TeacherApp English
- Bundle ID
- com.TeacherApp
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.teacherappenglish.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
- $749/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Funding
Press & Links
Contacts & Socials
📈Ratings growth4,214 ratings+7% lifetimeShow 3-year history estimate ▾
📝 About this app
Learn British and American English free, fast and offline.
Learn English Grammar | Phonetics | Vocabulary | Skills | Pronunciation | Language | Rules | Offline | Free.
English Grammar (+25 contents to learn).
English Phonetics (+20 contents to learn).
English Vocabulary (+50 contents to learn).
English Language Skills (+40 lessons with activities).
Learn English fast, offline and free with lessons, activities, examples, exercises, quizzes, audios, exams, free downloads and more.
English Idioms - New Vocabulary content! Learn Idioms with pictures and audios.… View full description on the official store →
What Worked™ · Development Pipeline
2 EVENTS TRACKEDStore Page History
1 SCREENSHOT CHANGE2 ver.
Tech & Domain Intel — teacherappenglish.com
- Tech stack
- Google Workspace
Track this app’s revenue
FREE📝 Description
95
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View all →Why medium confidence: 4,214 ratings · no founder-verified revenue (model estimate only).





