Master English - ENGO
63
Quality Score
Solid
Master English - ENGO
Medium confidence
✍️ bumetric analysis
“
Master English - ENGO is an iOS app from PALMX APPS LTD, currently rated 4.7★ across 1,533 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 63: Solid (established niche player). For an app like this, 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
$75K
↳ What it cost to build · not monthly revenue
Likely range $55K – $100K
$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 (106 MB) | +$22K |
Total estimate
$75K
👥 Estimated audience size
225K
Lifetime downloads (US-equivalent)
Monthly active
33K
Daily active
6.7K
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
| 📲 category engagement | ~150 installs / rating |
| 🔁 category D30 retention | 15% |
| 📍 DAU / MAU stickiness | 0.20 |
DAU / MAU
20% 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)
Direction
Headwinds: low defensibility moat
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 · 45/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
8.4
Market Position
2.0
Growth Velocity
5.0
Defensibility
2.4
Operational Safety
10.0
Founder Strength
3.2
Monetization Maturity
1.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.68★ across 1,533 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 (1,533 ratings)METRIC | +$1,500 | |
| Multilingual (16 languages)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Growing app (1y old)METRIC | +$200 |
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 · v2.0.79
We're constantly improving ENGO based on your feedback!
This is a major update packed with powerful improvements to make your learning faster, smoother, and more effective than ever:
· Smarter, human-like AI conversations
· Better pronunciation detection and feedback… Full release notes →
This is a major update packed with powerful improvements to make your learning faster, smoother, and more effective than ever:
· Smarter, human-like AI conversations
· Better pronunciation detection and feedback… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Master English - ENGO
- Developer
- PALMX APPS LTD
- Bundle ID
- app.engo.english
- App Store URL
- Open in App Store
- Category
- Not found
- Content rating
- 12+
- Languages
- AR, CS, EN, FR, DE, IT, JA, KO, PL, PT, RO, RU, ZH, ES, TR, UK
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
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
- 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 growth1,609 ratings+1198% lifetimeShow 3-year history estimate ▾
Tracked (9 weeks) Pre-tracking estimate (21 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.
🚀Version Release Timeline2 releases tracked
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
Speak English with Confidence from Day 1!
ENGO is your personal AI-powered English Tutor, designed to take you from beginner to fluent through real conversations, real situations, and real progress.
Powered by the world's most advanced AI model, ENGO adapts to YOU — your level, your goals, your pace — and builds a personalized learning path that actually works.
SPEAK FROM DAY ONE
Forget boring grammar drills. ENGO gets you talking in real-life situations from your very first lesson — ordering coffee, job interviews, traveling, making friends, business meetings, and hundreds more.… View full description on the official store →
ENGO is your personal AI-powered English Tutor, designed to take you from beginner to fluent through real conversations, real situations, and real progress.
Powered by the world's most advanced AI model, ENGO adapts to YOU — your level, your goals, your pace — and builds a personalized learning path that actually works.
SPEAK FROM DAY ONE
Forget boring grammar drills. ENGO gets you talking in real-life situations from your very first lesson — ordering coffee, job interviews, traveling, making friends, business meetings, and hundreds more.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 106 MB🔞 12+📱 iOS 15.5+🔖 v2.0.79🔄 updated 0d ago🌐 AR, CS, EN, FR, DE +11💰 Paid
📅
What Worked™ · Development Pipeline
2 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
🔧
Shipped update — v1.23.66 → v2.0.79
→ 30 days after: reviews +53 high confidence
2026-03
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.67781★ | 1,614 | 4.67781★ this version |
| 🇬🇧 GB | 4.65888★ | 214 | 4.65888★ this version |
| 🇩🇪 DE | 4.5102★ | 49 | 4.5102★ this version |
| 🇫🇷 FR | 4.38732★ | 142 | 4.38732★ this version |
| 🇯🇵 JP | 4.61176★ | 85 | 4.61176★ this version |
| 🇨🇦 CA | 4.67568★ | 370 | 4.67568★ this version |
| 🇦🇺 AU | 4.56701★ | 97 | 4.56701★ this version |
| 🇧🇷 BR | 4.91176★ | 34 | 4.91176★ this version |
| 🇮🇳 IN | 4.5★ | 128 | 4.5★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Master English - ENGO: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 1,533 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
3 answers · auto-generated from this app's public dataHow much does Master English - ENGO make per month?▴
Based on our ML-calibrated revenue forecast, Master English - ENGO 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.
Who makes Master English - ENGO?▴
Master English - ENGO is published by PALMX APPS LTD 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 Master English - ENGO's BU Score?▴
Master English - ENGO has a BU Score of 63/100 (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.