Basic English - ESL Course
66
Quality Score
Solid
Basic English - ESL Course
Medium confidence
✍️ bumetric analysis
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Basic English - ESL Course is an iOS app from Nguyen Thi Hoai Thu in the Education category, currently rated 4.7★ across 5,655 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 66: 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
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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 |
| 📦 Asset bundle (197 MB) | +$40K |
| ⚙ Education complexity ×1.20 | +$18K |
Total estimate
$110K
👥 Estimated audience size
480K
Lifetime downloads (US-equivalent)
Monthly active
86K
Daily active
25K
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
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 · 51/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
8.5
Market Position
2.0
Growth Velocity
5.0
Defensibility
5.8
Operational Safety
10.0
Founder Strength
4.6
Monetization Maturity
1.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.73★ across 5,655 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 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 = $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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (4.7★)METRIC | +$2,200 | |
| Low install base (5,655 ratings)METRIC | +$1,500 | |
| Mature app (9y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| 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 · v1.51
We update the app regularly so we can make it better for you. Get the latest version for all of the available features.
This version includes several bug fixes and performance improvements.
This version includes several bug fixes and performance improvements.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Basic English - ESL Course
- Developer
- Nguyen Thi Hoai Thu
- Bundle ID
- com.mobilephl.esl
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- EN
Company
- Website
- Not found
- 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
- $172/mo
- Top-grossing rank
- Outside top 100 in US Education
- 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 growth5,655 ratings+28% lifetimeShow 3-year history estimate ▾
Tracked (12 weeks) Pre-tracking estimate (36 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.
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
EVERYTHING YOU NEED TO SPEAK ENGLISH FLUENTLY
+ Support iPhone and iPad.
+ iOS 13.0 above
+ Can use offline.
● Do you feel nervous or shy when you speak English?
--> The app can help you learn English and improve your speaking without taking a class.
--> All the lessons include images, slideshows, audio files, and quizzes to help you learn in an easy way. If you are a beginner or low intermediate English learner, then this app will be perfect for you.
● Do other people sometimes not understand you when you speak English?… View full description on the official store →
+ Support iPhone and iPad.
+ iOS 13.0 above
+ Can use offline.
● Do you feel nervous or shy when you speak English?
--> The app can help you learn English and improve your speaking without taking a class.
--> All the lessons include images, slideshows, audio files, and quizzes to help you learn in an easy way. If you are a beginner or low intermediate English learner, then this app will be perfect for you.
● Do other people sometimes not understand you when you speak English?… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 197 MB🔞 4+📱 iOS 13.0+🔖 v1.51🔄 updated 0d ago🌐 EN📂 Education💰 Paid
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.73254★ | 5,713 | 4.73254★ this version |
| 🇬🇧 GB | 4.77895★ | 190 | 4.77895★ this version |
| 🇩🇪 DE | 4.94118★ | 17 | 4.94118★ this version |
| 🇫🇷 FR | 4.76667★ | 30 | 4.76667★ this version |
| 🇯🇵 JP | 4.75★ | 48 | 4.75★ this version |
| 🇨🇦 CA | 4.7947★ | 302 | 4.7947★ this version |
| 🇦🇺 AU | 4.72973★ | 37 | 4.72973★ this version |
| 🇧🇷 BR | 4.76363★ | 55 | 4.76363★ this version |
| 🇮🇳 IN | 4.40909★ | 66 | 4.40909★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Basic English - ESL Course: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Nguyen Thi Hoai Thu
View all →📦 Portfolio summaryINDIE studio
4apps·$832/mocombined
Lead-app heavy — top app contributes 59%
About this analysis
Why medium confidence: 5,655 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Basic English - ESL Course make per month?▴
Based on our ML-calibrated revenue forecast, Basic English - ESL Course earns approximately $172/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 Basic English - ESL Course?▴
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 Basic English - ESL Course?▴
Basic English - ESL Course is published by Nguyen Thi Hoai Thu 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 Basic English - ESL Course's BU Score?▴
Basic English - ESL Course has a BU Score of 66/100 (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.