62
Japanese Alphabet Letter: Kids
Japanese Alphabet Letter: Kids is an Android app from Educational Games : EMK Fun Lab in the Educational category, currently rated 4.7★ across 1,483 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 62: Solid (established niche player). For a Educational 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.
Free AI audit of this app’s store listing
- 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 |
| 💎In-app purchase plumbing | +$9K |
| ⚙Educational complexity ×1.20 | +$11K |
| 🌐Cross-platform reach (iOS + Android) | +$39K |
| ⚙9.6y maintenance × ~1-person team | +$57K |
Synthetic estimate. Multiple band derived from iap / freemium model + 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.
| 💎IAP / freemium model base | 28× MRR |
| 📅9.6y proven track record | +20% |
| ⭐★ rating ≥ 4.4 (solid) | +8% |
| 🏷Educational 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.
| 📲Educational engagement | ~85 installs / rating |
| 📅9.6y of rating accumulation | -30% |
| 🔁Educational D30 retention | 18% |
| 📍DAU / MAU stickiness | 0.30 |
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
| 🏷Category context | Educational |
| 📦Compact Android bundle | → Native Kotlin |
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
| 📅2y+ since last update | Likely abandoned |
How we forecast this revenue
MEDIUM CONFIDENCEBU Investment Matrix
Below median · 53/100MID TIERunderperforming peers- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.66★ across 1,483 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 803d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (803d since update).
💰 Forecast Revenue / mo
MODEL| Excellent rating (4.7★)METRIC | +$2,200 | |
| Low install base (1,483 ratings)METRIC | +$1,500 | |
| Mature app (9y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
📈 Reviews Growth
LIVE⭐ Rating Trend
LIVE📝 About this app
Target Age: 3 year old to 5 year old
[AIUEO(あいうえお) Game]
A simple free game that lets your kids learn the connection between the sound and the appearance of Japanese alphabet letters.… View full description on the official store →
Tech & Domain Intel — emkfunlab.com
- Tech stack
- Google Workspace
Track this app’s revenue
FREEProfile & Insights
Identification
- App name
- Japanese Alphabet Letter: Kids
- Developer
- Educational Games : EMK Fun Lab
- Bundle ID
- com.goobee.GooBeeWordGame_JP
- App Store URL
- Open in App Store
- Category
- Educational
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.emkfunlab.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
- $517/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $4.49 per item
