5
Quality Score
Niche
一生必學的英文字首字根字尾，正體中文版
✍️ bumetric analysis
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一生必學的英文字首字根字尾，正體中文版 is an Android app from Otek International Inc. in the Education category, currently rated — across few ratings. Initial signal reads as no scraped reviews yet: judgment based on metadata only.
Quality Score is 5: Niche (micro-niche or pre-traction stage). For a Education 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.
💰 Revenue · today and ahead
Today
$2.9K/mo
In 12 months
$2.5K – $9.2K
In 24 months
$2.4K – $21.2K
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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$2.9K/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$2.5K – $5.8K
12 months
$2.5K – $9.2K
24 months
$2.4K – $21.2K
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
Pre-traction · 39/100INDIE TIERlimited signalRevenue Strength
3.5
Product Quality
0.0
Market Position
0.0
Growth Velocity
5.0
Defensibility
7.5
Operational Safety
7.0
Founder Strength
7.2
Monetization Maturity
1.0
- 💰 Revenue: Modest — $1K - $7K/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: None★ across 0 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1457d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1457d since update).
🎯 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 = $52K-$93K. Portfolio play ($46K/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.
📈 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 →🔖 v1.30🔄 updated 3y ago📂 Education💰 Free🚀 Launched 2016 (9y old)
📝 About this app
一個一個字母背單字的時代已經過去，「土法煉鋼」永遠跟不上迅速成長的全球英語競爭力！ 現在換一招，勝過埋頭苦練找絕招。先摸清單字的底細，再破解、理解、一次記憶！
專為想背單字卻不得其門而入的學習者設計！不用抱著書死記、硬背，用全世界都在用的「單字拆解記憶法」，輕鬆將單字記起來！本 app 根據名師蔣志榆編著之「一生必學的英文字首字根字尾」一書製作而成，善用本書內容，讓您學習單字更有效率。
全球獨創「單字拆解樹狀圖」！
將單字依照「字源」做分類，再將組合拆解成字首、字根或字尾，獨創「樹狀圖」的結構作呈現，一目瞭然，輕鬆背記所有單字。搭配字首、字根、字尾詳細解說，深入瞭解單字組成，遇到任何單字都能輕鬆拆解，讓你舉一反三，事半功倍！
哈佛、牛津、劍橋、台大高材生都是用這招！
為什麼高材生學起英文總是一派輕鬆？教你如何見字拆字，先「拆解」後「理解」。輕鬆背記2,000、7,000甚至20,000單字！任何單字一看就會背！
一生受用的單字基礎記憶法
學單字最怕學一忘了二，只有最完整的學習內容，才能保證奠定最強基本功，全書每個單字搭配音標、例句、衍生單字、中文對照，穩紮穩打你的英文單字實力。，任何考試、不同年齡均適用，再搭配專業外籍英文名師錄製發音，是聽說讀寫一次克服的絕佳學習方案！
本 app 檔案超過 50M，須使用 wi-fi 才能下載。… View full description on the official store →
專為想背單字卻不得其門而入的學習者設計！不用抱著書死記、硬背，用全世界都在用的「單字拆解記憶法」，輕鬆將單字記起來！本 app 根據名師蔣志榆編著之「一生必學的英文字首字根字尾」一書製作而成，善用本書內容，讓您學習單字更有效率。
全球獨創「單字拆解樹狀圖」！
將單字依照「字源」做分類，再將組合拆解成字首、字根或字尾，獨創「樹狀圖」的結構作呈現，一目瞭然，輕鬆背記所有單字。搭配字首、字根、字尾詳細解說，深入瞭解單字組成，遇到任何單字都能輕鬆拆解，讓你舉一反三，事半功倍！
哈佛、牛津、劍橋、台大高材生都是用這招！
為什麼高材生學起英文總是一派輕鬆？教你如何見字拆字，先「拆解」後「理解」。輕鬆背記2,000、7,000甚至20,000單字！任何單字一看就會背！
一生受用的單字基礎記憶法
學單字最怕學一忘了二，只有最完整的學習內容，才能保證奠定最強基本功，全書每個單字搭配音標、例句、衍生單字、中文對照，穩紮穩打你的英文單字實力。，任何考試、不同年齡均適用，再搭配專業外籍英文名師錄製發音，是聽說讀寫一次克服的絕佳學習方案！
本 app 檔案超過 50M，須使用 wi-fi 才能下載。… View full description on the official store →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- 一生必學的英文字首字根字尾，正體中文版
- Developer
- Otek International Inc.
- Bundle ID
- com.otek.imprefixrootsuffixtch
- 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
- $2.9K/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.
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 Otek International Inc.
View all →📦 Portfolio summaryINDIE studio
28apps·$46K/mocombined
✓ Diversified — top app contributes 11%; risk spread across portfolio
Full revenue analysis
Read the article-style breakdown for 一生必學的英文字首字根字尾，正體中文版: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.