Lingua: Englisch Lernen mit KI
59
Quality Score
Solid
Lingua: Englisch Lernen mit KI
Medium confidence
✍️ bumetric analysis
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Lingua: Englisch Lernen mit KI is an iOS app from ProxGlobal Inc in the News category, currently rated 4.6★ across 398 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 59: Solid (established niche player). For a News 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
$500
per month
→
12-mo forecast
$437 – $1575
per month
→
24-mo forecast
$405 – $3644
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
$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 (184 MB) | +$40K |
| ⚙ News complexity ×1.20 | +$18K |
Total estimate
$110K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$10K
↳ What it would sell for · not monthly revenue
Marketplace range $10K – $15K · 14× 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 ≥ 4.4 (solid) | +8% |
| 🏷 News category multiple | -5% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
14× MRR
👥 Estimated audience size
47K
Lifetime downloads (US-equivalent)
Monthly active
7.1K
Daily active
3.1K
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
| 📲 News engagement | ~120 installs / rating |
| 🔁 News D30 retention | 15% |
| 📍 DAU / MAU stickiness | 0.45 |
DAU / MAU
44% sticky
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$500/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: low defensibility moat
6 months
$426 – $993
12 months
$437 – $1.6K
24 months
$405 – $3.6K
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
Early-stage solo · 42/100INDIE TIERexpected for tierGrowth Velocity
5.0
Founder Strength
3.9
Product Quality
6.5
Revenue Strength
2.7
Monetization Maturity
1.0
Defensibility
2.2
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.64★ across 398 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: dev shipping weekly.
- ⚠️ 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 = $9K-$16K.
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 (4.6★)METRIC | +$2,200 | |
| Multilingual (49 languages)METRIC | +$1,500 | |
| New app (10 months old)METRIC | −$700 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (398 ratings)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 · v2.0
Update now and keep learning!
We’ve made improvements to help you learn more effectively. Update the app, stay consistent, and keep pushing forward.
We’ve made improvements to help you learn more effectively. Update the app, stay consistent, and keep pushing forward.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Lingua: Englisch Lernen mit KI
- Developer
- ProxGlobal Inc
- Bundle ID
- com.ai.tutor.learn.speak.language.lesson
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 17+
- Languages
- SQ, AR, BN, BG, KM, HR, CS, NL, EN, FI, FR, KA, DE, EL, HE, HI, HU, IS, ID, IT, JA, KK, KO, LO, MS, MR, NE, NB, FA, PL, PT, PA, RO, RU, SR, ZH, SK, SL, SO, ES, SW, SV, TA, TH, ZH, TR, UR, VI, ZU
Company
- Website
- Not found
- Tagline
- Proxglobal Inc.
- 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
- $746/mo
- Top-grossing rank
- 🇨🇦#76 /100
- 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 growth460 ratings+721% lifetimeShow 3-year history estimate ▾
Tracked (21 weeks) Pre-tracking estimate (10 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic Distribution1 of 9 markets
🇨🇦
CA
Top-grossing rank: #76 / 100
Other markets
Outside top 100
in US, GB, DE, FR, JP, CA, AU, BR, IN
in US, GB, DE, FR, JP, CA, AU, BR, IN
This app currently ranks in only one of the 9 markets we monitor. Niche or regional apps often launch this way before global rollout. Rankings update daily.
📊Category Rank Trajectory#76 now · best #75 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Version Release Timeline3 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
Ready to speak English fluently? iSeey is your personal AI tutor, guiding you from beginner to confident speaker in real-world conversations. Stop just learning words—start speaking!
PRACTICE SPEAKING WITH YOUR AI TUTOR
Engage in natural conversations with our AI on hundreds of topics. The Lingua AI engine provides instant feedback on your grammar and clarity, helping you build confidence for real-life situations. This is the fastest way to improve your English speaking skills.
MASTER PRONUNCIATION & ACCENT
Sound like a native.… View full description on the official store →
PRACTICE SPEAKING WITH YOUR AI TUTOR
Engage in natural conversations with our AI on hundreds of topics. The Lingua AI engine provides instant feedback on your grammar and clarity, helping you build confidence for real-life situations. This is the fastest way to improve your English speaking skills.
MASTER PRONUNCIATION & ACCENT
Sound like a native.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 184 MB🔞 17+📱 iOS 15+🔖 v2.0🔄 updated 0d ago🌐 SQ, AR, BN, BG, KM +44📂 News💰 Paid
📅
What Worked™ · Development Pipeline
5 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
📈
Crossed 50 ratings — social-proof flywheel kicking in
2026-03
⭐
Rating ↑ 4.35 → 4.70 (improved 0.35★)
2026-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
2026-02
📈
Crossed 10 ratings — social-proof flywheel kicking in
2026-01
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.56311★ | 103 | 4.56311★ this version |
| 🇧🇷 BR | 4.5★ | 4 | 4.5★ this version |
| 🇨🇦 CA | 4.53419★ | 234 | 4.53419★ this version |
| 🇩🇪 DE | 4.57646★ | 85 | 4.57646★ this version |
| 🇫🇷 FR | 4.66667★ | 51 | 4.66667★ this version |
| 🇬🇧 GB | 4.45181★ | 166 | 4.45181★ this version |
| 🇮🇳 IN | 4.59016★ | 61 | 4.59016★ this version |
| 🇯🇵 JP | 4.53968★ | 63 | 4.53968★ this version |
| 🇺🇸 US | 4.63042★ | 460 | 4.63042★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Lingua: Englisch Lernen mit KI: 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: 398 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Lingua make per month?▴
Based on our ML-calibrated revenue forecast, Lingua earns approximately $746/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 Lingua?▴
Browse the full News 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 Lingua?▴
Lingua is published by ProxGlobal Inc 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 Lingua's BU Score?▴
Lingua has a BU Score of 59/100 (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.