GENKI Vocab for 3rd Ed.
45
Quality Score
Emerging
✍️ bumetric analysis
“
GENKI Vocab for 3rd Ed. is an iOS app from The Japan Times Publishing, Ltd. in the Utilities category, currently rated 3.0★ across 105 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 45: Emerging (early traction worth watching). For a Utilities app, that means early traction worth watching. 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
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
MID 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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
🤖Also on Android
$160/mo · 77 ratings · 3.0★
View →
ONE-TIME · BUILD
💰 Estimated build cost
$75K
↳ What it cost to build · not monthly revenue
Likely range $55K – $100K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.0y at current MRR
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 |
| 📦 Asset bundle (177 MB) | +$40K |
| ⚙ Utilities complexity ×0.85 | $-13575 |
Total estimate
$75K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$30K
↳ What it would sell for · not monthly revenue
Marketplace range $25K – $40K · 10× MRR multiple
💸
~0.4× build cost (under-water)
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.
How the multiple was built
| 📺 Ad-supported base | 15× MRR |
| ⭐ ★ rating < 3.5 (weak) | -18% |
| 🏷 Utilities category multiple | -10% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
10× MRR
👥 Estimated audience size
21K
Lifetime downloads (US-equivalent)
Monthly active
4.2K
Daily active
840
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
| 📲 Utilities engagement | ~200 installs / rating |
| 🔁 Utilities D30 retention | 20% |
| 📍 DAU / MAU stickiness | 0.20 |
DAU / MAU
20% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Stalled · 40/100MID TIERno growth momentumGrowth Velocity
5.0
Founder Strength
6.0
Product Quality
4.2
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
5.0
Market Position
2.0
Operational Safety
5.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 2.99★ across 105 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 2111d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (2111d since update).
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 18-32× monthly = $90K-$160K. Portfolio play ($22K/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 8 of 8 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| Below-average rating (3.0★)METRIC | −$1,500 | |
| too expensiveREVIEW | −$1,000 | |
| Established app (5y old)METRIC | +$800 | |
| Early-stage install base (105 ratings)METRIC | +$400 | |
| Single-language (English only)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.
🆕 What's New · v2.0
Fixed layout issues on certain devices.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- GENKI Vocab for 3rd Ed.
- Developer
- The Japan Times Publishing, Ltd.
- Bundle ID
- jp.co.japantimes.genkivocab2
- App Store URL
- Open in App Store
- Category
- Utilities
- Content rating
- 4+
- Languages
- EN
Company
- Website
- bookclub.japantimes.co.jp
- Tagline
- Not found
- Description
- ジャパンタイムズ出版のウェブサイトです。TOEIC・英検などの試験対策書、ニュースで学ぶ英語学習書、「げんき」シリーズをはじめとする外国人向けの日本語学習書などを紹介しています。ダウンロード用無料音声の案内や、学習に役立つコラム・イベント情報も掲載中。
- 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
- $3.2K/mo
- Top-grossing rank
- Outside top 100 in US Utilities
- 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
- Socials
- facebook facebook.com/japantimespub · twitter twitter.com/japantimespub
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- bookclub.japantimes.co.jp/company/cc1…
📈Ratings growth105 ratings+10400% lifetimeShow 3-year history estimate ▾
Tracked (35 weeks) Pre-tracking estimate (35 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
💰Pricing History$0.00 → $6.99 (+0%)
🚀Version Release Timeline2 releases tracked
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.
📝 About this app
Learn elementary Japanese words at your own pace!
GENKI Vocab for 3rd Ed. is an app that enables users to learn more than 1,200 words essential for beginners.
This is the official iPhone app for the 3rd edition of GENKI: An Integrated Course in Elementary Japanese, a best-selling series of Japanese learning materials boasting more than 3.5 million copies sold worldwide.
Advantages
◆Users can view the words and listen to the recordings as they like, enabling them to study at their own pace.… View full description on the official store →
GENKI Vocab for 3rd Ed. is an app that enables users to learn more than 1,200 words essential for beginners.
This is the official iPhone app for the 3rd edition of GENKI: An Integrated Course in Elementary Japanese, a best-selling series of Japanese learning materials boasting more than 3.5 million copies sold worldwide.
Advantages
◆Users can view the words and listen to the recordings as they like, enabling them to study at their own pace.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 177 MB🔞 4+📱 iOS 15.6+🔖 v2.0🔄 updated 0d ago🌐 EN📂 Utilities💰 Free
📅
What Worked™ · Development Pipeline
14 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
🔧
Shipped update — v1.4 → v2.0
2026-05
💲
Went paid — introduced $6.99 price point
2026-03
⭐
Rating ↑ 2.46 → 3.20 (improved 0.74★)
2026-03
📈
Crossed 100 ratings — social-proof flywheel kicking in
2025-02
📈
Crossed 50 ratings — social-proof flywheel kicking in
2025-02
📈
Crossed 50 ratings — social-proof flywheel kicking in
2021-09
⭐
Rating ↑ 2.00 → 2.58 (improved 0.58★)
2021-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
2021-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.58★ high confidence
2021-09
⭐
Rating ↑ 2.00 → 2.33 (improved 0.33★)
→ 30 days after: rating +0.58★ high confidence
2021-08
⭐
Rating ↑ 2.00 → 2.33 (improved 0.33★)
→ 30 days after: rating +0.58★ · reviews +7 medium · co-occurring
2021-02
⭐
Rating ↑ 1.33 → 2.25 (improved 0.92★)
2021-01
⭐
Rating ↑ 1.00 → 1.33 (improved 0.33★)
→ 30 days after: rating +0.92★ high confidence
2020-12
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating +0.33★ high confidence
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 2.47368★ | 19 | 2.47368★ this version |
| 🇧🇷 BR | 1.66667★ | 3 | 1.66667★ this version |
| 🇨🇦 CA | 2.3125★ | 16 | 2.3125★ this version |
| 🇩🇪 DE | 3.2★ | 15 | 3.2★ this version |
| 🇫🇷 FR | 4★ | 1 | 4★ this version |
| 🇬🇧 GB | 3.05556★ | 18 | 3.05556★ this version |
| 🇮🇳 IN | 1.5★ | 2 | 1.5★ this version |
| 🇯🇵 JP | 2.5★ | 14 | 2.5★ this version |
| 🇺🇸 US | 2.99048★ | 105 | 2.99048★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for GENKI Vocab for 3rd Ed.: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by The Japan Times Publishing, Ltd.
View all →📦 Portfolio summaryINDIE studio
3apps·$22K/mocombined
Lead-app heavy — top app contributes 52%
Similar apps in Utilities
About this analysis
Why medium confidence: 105 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does GENKI Vocab for 3rd Ed. make per month?▴
Based on our ML-calibrated revenue forecast, GENKI Vocab for 3rd Ed. earns approximately $3.2K/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.
What apps are like GENKI Vocab for 3rd Ed.?▴
Browse the full Utilities 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 GENKI Vocab for 3rd Ed.?▴
GENKI Vocab for 3rd Ed. is published by The Japan Times Publishing, Ltd. on the Apple App 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 GENKI Vocab for 3rd Ed.'s BU Score?▴
GENKI Vocab for 3rd Ed. has a BU Score of 45/100 (Emerging). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.