空中美語基礎單字 2000
63
Quality Score
Solid
✍️ bumetric analysis
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空中美語基礎單字 2000 is an Android app from Otek International Inc. in the Education category, currently rated 5.0★ across 477 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 63: 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.
💰 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
ONE-TIME · BUILD
💰 Estimated build cost
$110K
↳ What it cost to build · not monthly revenue
Likely range $80K – $150K
$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 |
| 💎 In-app purchase plumbing | +$9K |
| ⚙ Education complexity ×1.20 | +$11K |
| 🌐 Cross-platform reach (iOS + Android) | +$39K |
Total estimate
$110K
👥 Estimated audience size
40K
Lifetime downloads (US-equivalent)
Monthly active
7.2K
Daily active
2.1K
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
| 📲 Education engagement | ~85 installs / rating |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
29% 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
Below median · 55/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
6.0
Product Quality
7.0
Revenue Strength
3.7
Monetization Maturity
5.0
Defensibility
9.9
Market Position
0.0
Operational Safety
7.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 5.0★ across 477 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 726d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (726d since update).
🎯 For competitors: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.
💵 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:
| Excellent rating (5.0★)METRIC | +$2,200 | |
| Mature app (9y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (477 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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- 空中美語基礎單字 2000
- Developer
- Otek International Inc.
- Bundle ID
- com.otek.amcword2000tch
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.transwhiz.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
- $115/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $2.99 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 growth477 ratings+15% 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.
📝 About this app
還在為背英文單字煩惱嗎？覺得背單字很枯燥乏味嗎？「基礎單字2000」是 Transwhiz 特別為英語學習者精心設計的 app, 讓您背單字更有效率也更有趣！
本 app 課程內容根據空中美語文教事業股份有限公司的「基礎 2000 字彙通」一書製作而成，全部單字依教育部頒佈的「常用2000字彙表」編定。 有別於市面上多是按字母順序編排的字彙書，本app採主題式分類，將相同主題的字彙安排在同一章，方便您一下就能認識許多相關單字。例如，在 Food and Drink 單元，您便可一次學到 apple, bread, juice, pie, steak等日常飲食會用到的字，如此學英文更有系統，效果更加倍！
單字解說詳盡，包含片語、衍生字、同/反義字、和搭配用法等。單字、片語與例句均有道地美式發音，並可反覆播放跟著複誦，讓您的發音技巧更上一層樓。
app 特色：
* 以主題式分類的入門字彙書，方便學習相關單字。
* 每個單字、片語和例句等都有專業美籍播音員真人發音。
* 大量補充常用搭配字詞（例如look一字，會列出其常用搭配字詞像是take [have] a look at sb./sth.）。
* 綜合比較易混淆的字並舉例說明（例如 childish 與 childlike 一字做比較）。… View full description on the official store →
本 app 課程內容根據空中美語文教事業股份有限公司的「基礎 2000 字彙通」一書製作而成，全部單字依教育部頒佈的「常用2000字彙表」編定。 有別於市面上多是按字母順序編排的字彙書，本app採主題式分類，將相同主題的字彙安排在同一章，方便您一下就能認識許多相關單字。例如，在 Food and Drink 單元，您便可一次學到 apple, bread, juice, pie, steak等日常飲食會用到的字，如此學英文更有系統，效果更加倍！
單字解說詳盡，包含片語、衍生字、同/反義字、和搭配用法等。單字、片語與例句均有道地美式發音，並可反覆播放跟著複誦，讓您的發音技巧更上一層樓。
app 特色：
* 以主題式分類的入門字彙書，方便學習相關單字。
* 每個單字、片語和例句等都有專業美籍播音員真人發音。
* 大量補充常用搭配字詞（例如look一字，會列出其常用搭配字詞像是take [have] a look at sb./sth.）。
* 綜合比較易混淆的字並舉例說明（例如 childish 與 childlike 一字做比較）。… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v2.10🔄 updated 0d ago📂 Education💰 Free📺 Ad-supported💎 IAP $2.99 per item
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for 空中美語基礎單字 2000: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Otek International Inc.
View all →📦 Portfolio summaryINDIE studio
36apps·$3K/mocombined
✓ Diversified — top app contributes 7%; risk spread across portfolio
About this analysis
Why medium confidence: 477 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does 空中美語基礎單字 2000 make per month?▴
Based on our ML-calibrated revenue forecast, 空中美語基礎單字 2000 earns approximately $397/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 空中美語基礎單字 2000?▴
Browse the full Education 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 空中美語基礎單字 2000?▴
空中美語基礎單字 2000 is published by Otek International Inc. 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 空中美語基礎單字 2000's BU Score?▴
空中美語基礎單字 2000 has a BU Score of 63/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.