Learn English Fast: Course
66
Quality Score
Solid
Learn English Fast: Course
High confidence
✍️ bumetric analysis
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Learn English Fast: Course is an Android app from MosaLingua (digiSchool) in the Education category, currently rated 4.3★ across 31,614 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
$700K
per month
→
12-mo forecast
$741K – $1141K
per month
→
24-mo forecast
$886K – $1645K
per month
BIG 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
2.6M
Lifetime downloads (US-equivalent)
Monthly active
475K
Daily active
140K
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 / MAU29% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$700K/mo · ML-estimated from 234 triggers
Growth rate
+2.5% MoM · BIG tier baseline (compound monthly)
6 months
$690K – $933K
12 months
$741K – $1.1M
24 months
$886K – $1.6M
Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon — typical noise band ±15% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Mixed signals · 62/100BIG TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
6.2
Product Quality
8.7
Revenue Strength
5.8
Monetization Maturity
4.0
Defensibility
10.0
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Healthy — $280K - $1540K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.34★ across 31,614 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: 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 = $12.6M-$22.4M.
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:
| Mid install base (31,614 ratings)METRIC | +$5,500 | |
| Mature app (12y old)METRIC | +$1,500 | |
| Good rating (4.3★)METRIC | +$800 | |
| 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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v11.20🔄 updated 0d ago📂 Education💰 Free💎 IAP $7.49 - $71.90 per item
📝 About this app
WARNING: This app is available for people speaking Spanish, French, Italian, German and Portuguese. Otherwise, you can download our MosaLingua TOEIC or TOEFL apps that are 100% in English to learn English.
So, you want to learn English in no time? You need MosaLingua! Innovative and effective, our application has helped more than 13,000,000 people all over the world learn English in only 10 minutes per day - with actual results!
Popular on app stores, MosaLingua also comes highly recommended by the media and many specialized blogs.… View full description on the official store →
So, you want to learn English in no time? You need MosaLingua! Innovative and effective, our application has helped more than 13,000,000 people all over the world learn English in only 10 minutes per day - with actual results!
Popular on app stores, MosaLingua also comes highly recommended by the media and many specialized blogs.… View full description on the official store →
🧪
Tech & Domain Intel — mosalingua.com
- Tech stack
- Google Workspace
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Learn English Fast: Course
- Developer
- MosaLingua (digiSchool)
- Bundle ID
- com.mosalingua.enfree
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.mosalingua.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
- $377/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $7.49 - $71.90 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 growth31,614 ratings+26% 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.
📝 Description
95
BU Score · Transcendent
More by MosaLingua (digiSchool)
View all →📦 Portfolio summaryINDIE studio
10apps·$6K/mocombined
✓ Diversified — top app contributes 17%; risk spread across portfolio
Full revenue analysis
Read the article-style breakdown for Learn English Fast: Course: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why high confidence: 31,614 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
6 answers · auto-generated from this app's public dataHow much does Learn English Fast make per month?▴
Based on our ML-calibrated revenue forecast, Learn English Fast earns approximately $376/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.
Is Learn English Fast profitable?▴
With estimated build cost $110K and monthly revenue $376, Learn English Fast looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Learn English Fast have?▴
Estimated audience: ~2.6M lifetime downloads, ~475K monthly active users, and ~140K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like Learn English Fast?▴
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 Learn English Fast?▴
Learn English Fast is published by MosaLingua (digiSchool) 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 Learn English Fast's BU Score?▴
Learn English Fast 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.