English Ear Game 2
22
Quality Score
Niche
English Ear Game 2
Medium confidence
✍️ bumetric analysis
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English Ear Game 2 is an Android app from KAZUYA KAMIOKA in the Educational category, currently rated 1.0★ across 232 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 22: Niche (micro-niche or pre-traction stage). For a Educational app, that means micro-niche or pre-traction stage. 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.
💰 Monthly revenue · now vs forecast
● Right now
$500
per month
→
12-mo forecast
$437 – $1575
per month
→
24-mo forecast
$405 – $3644
per month
INDIE 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
ONE-TIME · BUILD💰 Estimated build cost
$95K
↳ What it cost to build · not monthly revenue
Likely range $70K – $130K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Slow ROI — current MRR is well below build cost
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.
Where the money goes
| 🧱MVP baseline (design + 1-store ship) | +$28K |
| 📱5 unique screens × $4.5K | +$22K |
| ⚙Educational complexity ×1.20 | +$10K |
| 🌐Cross-platform reach (iOS + Android) | +$33K |
Total estimate$95K
👥 Estimated audience size
19K
Lifetime downloads (US-equivalent)
Monthly active
3.5K
Daily active
1.0K
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.
How we sized it
| 📲Educational engagement | ~85 installs / rating |
| 🔁Educational D30 retention | 18% |
| 📍DAU / MAU stickiness | 0.30 |
DAU / MAU29% sticky
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$500/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
6 months
$426 – $993
12 months
$437 – $1.6K
24 months
$405 – $3.6K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Early-stage solo · 44/100INDIE TIERexpected for tierGrowth Velocity
5.0
Founder Strength
6.4
Product Quality
5.3
Revenue Strength
2.7
Monetization Maturity
1.0
Defensibility
5.0
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.8★ across 244 reviews — below category median.
- 📍 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 = $9K-$16K. Portfolio play ($8K/mo combined) commands premium.
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:
| Below-average rating (1.0★)METRIC | −$1,500 | |
| Mature app (14y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (232 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 →🔖 v4.1.1🔄 updated 0d ago📂 Educational💰 Free📺 Ad-supported
📝 About this app
This app is developed for non-native English speakers.
This is the second edition of English Ear Game.
The first one is focused "r" and "l" sound, but the second one is focused "b" and "v" sound.
Get real English ear through this simple game!
English Ear Game is a very simple game,
listening to an English word and choose the right one from similar words
as quickly and precisely as possible.
Try it anytime and anywhere, and complete all levels!
- Situations for use
・Try just by yourself, and be a real English ear master.… View full description on the official store →
This is the second edition of English Ear Game.
The first one is focused "r" and "l" sound, but the second one is focused "b" and "v" sound.
Get real English ear through this simple game!
English Ear Game is a very simple game,
listening to an English word and choose the right one from similar words
as quickly and precisely as possible.
Try it anytime and anywhere, and complete all levels!
- Situations for use
・Try just by yourself, and be a real English ear master.… View full description on the official store →
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- English Ear Game 2
- Developer
- KAZUYA KAMIOKA
- Bundle ID
- me.eigofun.eigomimi2
- App Store URL
- Open in App Store
- Category
- Educational
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- kazuyakamioka.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
- $327/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
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 growth232 ratings+27% 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.
📝 Description
95
BU Score · Transcendent
More by KAZUYA KAMIOKA
View all →📦 Portfolio summaryINDIE studio
19apps·$8K/mocombined
✓ Diversified — top app contributes 15%; risk spread across portfolio
Full revenue analysis
Read the article-style breakdown for English Ear Game 2: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 232 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
6 answers · auto-generated from this app's public dataHow much does English Ear Game 2 make per month?▴
Based on our ML-calibrated revenue forecast, English Ear Game 2 earns approximately $326/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
Is English Ear Game 2 profitable?▴
With estimated build cost $95K and monthly revenue $326, English Ear Game 2 looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does English Ear Game 2 have?▴
Estimated audience: ~19K lifetime downloads, ~3K monthly active users, and ~1K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like English Ear Game 2?▴
Browse the full Educational category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes English Ear Game 2?▴
English Ear Game 2 is published by KAZUYA KAMIOKA on the Google Play Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is English Ear Game 2's BU Score?▴
English Ear Game 2 has a BU Score of 22/100 (Niche). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.