一生必學的英文字首字根字尾，正體中文版
5
Quality Score
Niche
✍️ bumetric analysis
“
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.
💰 Monthly revenue · now vs forecast
● Right now
$2.9K
per month
→
12-mo forecast
$2.5K – $9.2K
per month
→
24-mo forecast
$2.4K – $21.2K
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
Loading…
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
📈
Pays back in ~2.8y 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 |
| ⚙ Education complexity ×1.20 | +$10K |
| 🌐 Cross-platform reach (iOS + Android) | +$33K |
Total estimate
$95K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$45K
↳ What it would sell for · not monthly revenue
Marketplace range $35K – $50K · 16× MRR multiple
💸
~0.5× 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 |
| 🏷 Education category multiple | +6% |
Final multiple
16× MRR
🔬
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 · 37/100INDIE TIERlimited signalGrowth Velocity
5.0
Founder Strength
6.0
Product Quality
0.0
Revenue Strength
3.5
Monetization Maturity
1.0
Defensibility
7.5
Market Position
0.0
Operational Safety
7.0
- 💰 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 1530d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1530d 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.
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.
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
- $115/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.
📝 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 →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v1.30🔄 updated 0d ago📂 Education💰 Free
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
📝 Description
95
BU Score · Transcendent
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 low confidence: only 0 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
📌 Final verdict — read this before you trust the numbers above
一生必學的英文字首字根字尾，正體中文版 is a very early-stage Android app in the education space with weak public traction — only 0 ratings, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.
Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only — not founder-verified facts.
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does 一生必學的英文字首字根字尾，正體中文版 make per month?▴
Low-confidence model estimate. 一生必學的英文字首字根字尾，正體中文版 has only 0 App Store ratings, so our revenue model has very little signal to work with — treat the ~$2.9K/mo figure as directional only, not a verified MRR. No founder-verified revenue data is available for this app. See methodology for the formula and confidence bands.
What apps are like 一生必學的英文字首字根字尾，正體中文版?▴
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 一生必學的英文字首字根字尾，正體中文版?▴
一生必學的英文字首字根字尾，正體中文版 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 一生必學的英文字首字根字尾，正體中文版's BU Score?▴
一生必學的英文字首字根字尾，正體中文版 has a BU Score of 5/100 (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.