Vocab
48
Quality Score
Emerging
Vocab
Medium confidence
✍️ bumetric analysis
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Vocab is an Android app from TCTelecom in the Education category, currently rated 3.0★ across 3,984 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 48: Emerging (early traction worth watching). For a Education 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
$772
per month
→
12-mo forecast
$675 – $2433
per month
→
24-mo forecast
$625 – $5628
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
📈
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 |
| ⚙ Education complexity ×1.20 | +$10K |
| 🌐 Cross-platform reach (iOS + Android) | +$33K |
Total estimate
$95K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$10K
↳ What it would sell for · not monthly revenue
Marketplace range $10K – $15K · 13× MRR multiple
💸
~0.1× 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% |
| 🏷 Education category multiple | +6% |
Final multiple
13× MRR
👥 Estimated audience size
335K
Lifetime downloads (US-equivalent)
Monthly active
60K
Daily active
18K
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
30% sticky
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$772/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
6 months
$657 – $1.5K
12 months
$675 – $2.4K
24 months
$625 – $5.6K
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 signalRevenue Strength
2.9
Product Quality
5.4
Market Position
0.0
Growth Velocity
5.0
Defensibility
6.0
Operational Safety
5.0
Founder Strength
4.0
Monetization Maturity
1.0
- 💰 Revenue: Marginal — $308 - $1930/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.0★ across 3,984 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1381d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (1381d 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 = $13K-$24K.
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:
| Low install base (3,984 ratings)METRIC | +$1,500 | |
| Below-average rating (3.0★)METRIC | −$1,500 | |
| Mature app (10y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
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
- Vocab
- Developer
- TCTelecom
- Bundle ID
- com.mobiway.ui.activity
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- vocab.vn
- 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
- $772/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.
📈Ratings growth3,984 ratings+38% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 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
FUNCTIONS
- A.I.R helps you to memorize vocabulary effectively according to the learning method of Adam Khoo – a very famous educator in all over the world.
- You will have a chance to experience hundreds of courses in different languages such as English, Japanese, Korean, Chinese ect, which are compiled carefully and scientifically.
- Every day learning through 7 interesting games makes it easy for your brain to memorize vocabulary. In addition, your English skills such as listening, speaking, reading, writing will be improved quickly through these games.
- Many FREE courses.… View full description on the official store →
- A.I.R helps you to memorize vocabulary effectively according to the learning method of Adam Khoo – a very famous educator in all over the world.
- You will have a chance to experience hundreds of courses in different languages such as English, Japanese, Korean, Chinese ect, which are compiled carefully and scientifically.
- Every day learning through 7 interesting games makes it easy for your brain to memorize vocabulary. In addition, your English skills such as listening, speaking, reading, writing will be improved quickly through these games.
- Many FREE courses.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v2.1🔄 updated 0d ago📂 Education💰 Free📺 Ad-supported
🔔
Track this app’s revenue
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Vocab: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by TCTelecom
View all →📦 Portfolio summaryINDIE studio
2apps·$1K/mocombined
Lead-app heavy — top app contributes 74%
About this analysis
Why medium confidence: 3,984 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Vocab make per month?▴
Based on our ML-calibrated revenue forecast, Vocab earns approximately $772/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 Vocab?▴
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 Vocab?▴
Vocab is published by TCTelecom 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 Vocab's BU Score?▴
Vocab has a BU Score of 48/100 (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.