58
Quality Score
Solid
English Vocabulary Trainer
✍️ bumetric analysis
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English Vocabulary Trainer is an Android app from Kanjanakhan in the Education category, currently rated 4.3★ across 886 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 58: 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.
💰 Forecast Revenue / mo
$5K/mo
Range: $3K – $7K
medium confidenceMID 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
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
📊
BU Investment Matrix
Mixed · 57/100MID TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
6.2
Product Quality
6.0
Revenue Strength
3.7
Monetization Maturity
5.0
Defensibility
10.0
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.31★ across 886 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 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 = $90K-$160K.
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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mature app (10y old)METRIC | +$1,500 | |
| Good rating (4.3★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (886 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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 vVaries with device🔄 updated 1mo ago📂 Education💰 Free📺 Ad-supported💎 IAP $1.99 per item🚀 Launched 2016 (10y old)
📝 About this app
English Vocabulary Trainer for beginner and intermediate English language students. The application is designed to be truly helpful and effective tool for learning new English words and their various meanings!
★ About 5000 most useful English words
★ Easy to use, small, handy and lightweight — less than 5MB
★ Spaced repetition learning technique — presents the verbs for repetition at appropriate time intervals, so you will memorize them more easily… View full description on the official store →
★ About 5000 most useful English words
★ Easy to use, small, handy and lightweight — less than 5MB
★ Spaced repetition learning technique — presents the verbs for repetition at appropriate time intervals, so you will memorize them more easily… View full description on the official store →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- English Vocabulary Trainer
- Developer
- Kanjanakhan
- Bundle ID
- com.cr4pps.vocab
- 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
- $485/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $1.99 per item
Founder
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
Contacts & Socials data not yet collected for this app.
📈Ratings growth886 ratings+49% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
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.
More by Kanjanakhan
View all →📦 Portfolio summaryINDIE studio
12apps·$4K/mocombined
✓ Diversified — top app contributes 19%; risk spread across portfolio
Full revenue analysis
Read the article-style breakdown for English Vocabulary Trainer: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.