BRAINYOO Karteikarten lernen
50
Quality Score
Solid
BRAINYOO Karteikarten lernen
Low confidence
✍️ bumetric analysis
“
BRAINYOO Karteikarten lernen is an iOS app from Brainyoo Mobile Learning GmbH in the News category, currently rated 3.6★ across 7 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 50: 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
$8.8K
per month
→
12-mo forecast
$9.1K – $19.1K
per month
→
24-mo forecast
$11.3K – $33.9K
per month
MID tierFREE
💡 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
📈
Pays back in ~11 months at current MRR
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 (152 MB) | +$40K |
| ⚙ News complexity ×1.20 | +$18K |
Total estimate
$110K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$125K
↳ What it would sell for · not monthly revenue
Marketplace range $100K – $175K · 12× MRR multiple
💸
~1.1× build cost (break-even+)
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 3.5-4.0 (mixed) | -8% |
| 🏷 News category multiple | -5% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
12× MRR
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$8.8K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$8.4K – $14.0K
12 months
$9.1K – $19.1K
24 months
$11.3K – $33.9K
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 · 44/100MID TIERFREE (NO MONETIZATION)underperforming peersGrowth Velocity
5.0
Founder Strength
5.8
Product Quality
2.9
Revenue Strength
3.9
Monetization Maturity
0.5
Defensibility
6.0
Market Position
2.0
Operational Safety
9.0
- 💰 Revenue: Modest — $6K - $13K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.57★ across 7 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 217d ago — slow cadence.
- ⚠️ 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 = $158K-$282K.
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:
| Paid app ($0.00)METRIC | +$2,800 | |
| 5 starREVIEW | +$1,800 | |
| Mature app (12y old)METRIC | +$1,500 | |
| Pre-traction phase (7 ratings)METRIC | −$300 |
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 · v2.21.9
We have implemented your wishes in our app:
– To avoid confusion, we have renamed the exam mode to test mode.
– From now on, in study groups, it will be displayed when exams are available, and you can complete them quickly and easily.
The following bugs have been fixed:… Full release notes →
– To avoid confusion, we have renamed the exam mode to test mode.
– From now on, in study groups, it will be displayed when exams are available, and you can complete them quickly and easily.
The following bugs have been fixed:… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- BRAINYOO Karteikarten lernen
- Developer
- Brainyoo Mobile Learning GmbH
- Bundle ID
- com.brainyoo.BrainYoo-2-0
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- EN, DE, PT
Company
- Website
- Not found
- Tagline
- BRAINYOO – die mobile Lehr- und Lernsoftware
- Description
- Effektiv lernen mit der Lernsoftware von BRAINYOO – ob für die Schule, Ausbildung, Weiterbildung oder das Studium. E-Learning einfach nutzen.
- 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
- $10.5K/mo
- Top-grossing rank
- Outside top 100 in US News
- 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
- Socials
- facebook facebook.com/brainyoo · instagram instagram.com/brainyoo.lernen · tiktok tiktok.com/@brainyoo · twitter twitter.com/brainyoo · youtube youtube.com/user/BrainYoo
- support@brainyoo.de
- Phone
- +49 611 44 75 44 22
- Contact page
- brainyoo.de/support-formular
- About page
- Not found
📈Ratings growth7 ratings+600% lifetimeShow 3-year history estimate ▾
Tracked (8 weeks) Pre-tracking estimate (37 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
BRAINYOO is the flashcard app you can use to quickly and easily quiz yourself on large amounts of educational content. It helps you memorize vocabulary and study for classes like medicine, law, history biology and many more.
BRAINYOO is perfect as an app for your classes in school, to help you prepare for your finals or to prep you for exams in your college classes.
Do you want the opportunity to learn more effectively, faster and better? You can create your own flash cards to go along with your school or college classes.… View full description on the official store →
BRAINYOO is perfect as an app for your classes in school, to help you prepare for your finals or to prep you for exams in your college classes.
Do you want the opportunity to learn more effectively, faster and better? You can create your own flash cards to go along with your school or college classes.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 152 MB🔞 4+📱 iOS 12.4+🔖 v2.21.9🔄 updated 0d ago🌐 EN, DE, PT📂 News💰 Paid
📅
What Worked™ · Development Pipeline
6 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
⭐
Rating ↓ 4.40 → 3.57 (dropped 0.83★)
2026-05
🔄
Monetization changed: paid → free
2026-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
2021-07
⭐
Rating ↓ 4.80 → 4.17 (dropped 0.63★)
2015-07
⭐
Rating ↑ 4.00 → 4.50 (improved 0.50★)
2015-06
🚀
First tracked snapshot — initial data captured
🗣
Voice of Customer
Based on 56 reviews across 2 markets● 32% positive · ● 30% neutral · ● 38% negative · Rating drift: +0.25★ (improving — recent 50: 3.82★ vs lifetime: 3.57★)
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇺🇸 US
+0.44
🇩🇪 DE
-0.17
Top praise themes
sehr gut ×11 kann man ×6 auf dem ×4 die karten ×3 wenn man ×3 die ich ×3 und ×32 ist ×17
Top complaint themes
ich habe ×3 nicht ×13 ist ×11 die ×10 und ×8 der ×8 eine ×7 ein ×5
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 0★ | 0 | — |
| 🇧🇷 BR | 3.66667★ | 3 | 3.66667★ this version |
| 🇨🇦 CA | 3★ | 1 | 3★ this version |
| 🇩🇪 DE | 4.37169★ | 1,816 | 4.37169★ this version |
| 🇫🇷 FR | 4★ | 1 | 4★ this version |
| 🇬🇧 GB | 4★ | 2 | 4★ this version |
| 🇮🇳 IN | 0★ | 0 | — |
| 🇯🇵 JP | 0★ | 0 | — |
| 🇺🇸 US | 3.57143★ | 7 | 3.57143★ this version |
🔔
Track this app’s revenue
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📝 Description
95
BU Score · Transcendent
More by Brainyoo Mobile Learning GmbH
View all →📦 Portfolio summaryINDIE studio
4apps·$11K/mocombined
⚠ Concentrated — top app contributes 91% of combined revenue (single-app dependency)
About this analysis
Why low confidence: only 7 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
📌 Final verdict — read this before you trust the numbers above
BRAINYOO Karteikarten lernen is a early-stage iOS app in the news space with weak public traction — only 7 ratings, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.
Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only — not founder-verified facts.
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does BRAINYOO Karteikarten lernen make per month?▴
Low-confidence model estimate. BRAINYOO Karteikarten lernen has only 7 App Store ratings, so our revenue model has very little signal to work with — treat the ~$10K/mo figure as directional only, not a verified MRR. No founder-verified revenue data is available for this app. See methodology for the formula and confidence bands.
What apps are like BRAINYOO Karteikarten lernen?▴
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 BRAINYOO Karteikarten lernen?▴
BRAINYOO Karteikarten lernen is published by Brainyoo Mobile Learning GmbH 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 BRAINYOO Karteikarten lernen's BU Score?▴
BRAINYOO Karteikarten lernen has a BU Score of 50/100 (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.