Flashcards World Karteikarten
65
Quality Score
Solid
Flashcards World Karteikarten
Medium confidence
✍️ bumetric analysis
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Flashcards World Karteikarten is an iOS app from Flashcards World SL in the News category, currently rated 4.7★ across 555 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 65: 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
$60K
↳ What it cost to build · not monthly revenue
Likely range $45K – $80K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~1.4y 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 |
| ⚙ News complexity ×1.20 | +$10K |
Total estimate
$60K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$50K
↳ What it would sell for · not monthly revenue
Marketplace range $35K – $75K · 14× MRR multiple
💸
~0.8× 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
66K
Lifetime downloads (US-equivalent)
Monthly active
9.9K
Daily active
4.4K
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 · 43/100INDIE TIERexpected for tierGrowth Velocity
5.0
Founder Strength
4.5
Product Quality
6.5
Revenue Strength
2.7
Monetization Maturity
1.0
Defensibility
2.8
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.66★ across 555 reviews — solid.
- 📍 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 = $9K-$16K. Portfolio play ($3K/mo combined) commands premium.
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 7 of 7 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 | |
| 5 starREVIEW | +$1,800 | |
| Multilingual (12 languages)METRIC | +$1,500 | |
| slowREVIEW | −$1,200 | |
| Established app (3y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (555 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 · v2.021
Added option to create an account and sync your progress, feel free to send an email with any questions or issues: ios@flashcards.world
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Flashcards World Karteikarten
- Developer
- Flashcards World SL
- Bundle ID
- flashcards.world.cards
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- CA, EN, FR, DE, ID, IT, JA, KO, PT, ES, SV, VI
Company
- Website
- Not found
- Tagline
- The Smarter Way to Study — Free Flashcards with Spaced Repetition
- Description
- Create and study flashcards for free with built-in spaced repetition. Choose from 100,000+ ready-made sets or make your own. Syncs across web, iOS, and Android — even offline.
- 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
- $3.5K/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
Contacts & Socials data not yet collected for this app.
📈Ratings growth555 ratings+1161% lifetimeShow 3-year history estimate ▾
Tracked (21 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
Elevate your learning experience with the Flashcards app, a convenient tool that allows you to create unlimited study sets and flash cards for easy memorization. Designed to work entirely offline, it enables you to enhance your language skills or prepare for exams with flash cards.
Key features include:
- AI Flashcards: Automatically generate flash card sets for any subject with the help of AI.
- Flashcards: Effortlessly create as many flash cards and sets as you need for a personalized learning experience.… View full description on the official store →
Key features include:
- AI Flashcards: Automatically generate flash card sets for any subject with the help of AI.
- Flashcards: Effortlessly create as many flash cards and sets as you need for a personalized learning experience.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 8 MB🔞 4+📱 iOS 26.0+🔖 v2.021🔄 updated 0d ago🌐 CA, EN, FR, DE, ID +7📂 News💰 Paid
📅
What Worked™ · Development Pipeline
11 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 ↑ 4.30 → 4.66 (improved 0.36★)
2026-05
📈
Crossed 500 ratings — social-proof flywheel kicking in
2026-05
🔄
Monetization changed: freemium → free
2026-03
⭐
Rating ↑ 3.16 → 4.30 (improved 1.14★)
2026-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
2025-05
📈
Crossed 10 ratings — social-proof flywheel kicking in
2025-04
⭐
Rating ↓ 4.00 → 3.67 (dropped 0.33★)
2024-10
⭐
Rating ↓ 4.25 → 3.60 (dropped 0.65★)
2024-08
⭐
Rating ↑ 3.50 → 4.00 (improved 0.50★)
2023-12
⭐
Rating ↑ 2.00 → 3.50 (improved 1.50★)
2023-10
🚀
First tracked snapshot — initial data captured
🔎
ASO Keyword Positions
BEST RANK #10Ranked for 1 App Store search query in our last keyword sweep. Lower position = closer to the top.
flashcards·#10🇺🇸
Last sweep: 2026-05-19 · iTunes Search API
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.56818★ | 44 | 4.56818★ this version |
| 🇧🇷 BR | 4.82264★ | 265 | 4.82264★ this version |
| 🇨🇦 CA | 4.3582★ | 67 | 4.3582★ this version |
| 🇩🇪 DE | 4.31923★ | 260 | 4.31923★ this version |
| 🇫🇷 FR | 4.496★ | 250 | 4.496★ this version |
| 🇬🇧 GB | 4.46316★ | 95 | 4.46316★ this version |
| 🇮🇳 IN | 4.62105★ | 95 | 4.62105★ this version |
| 🇯🇵 JP | 4.42307★ | 78 | 4.42307★ this version |
| 🇺🇸 US | 4.66275★ | 596 | 4.66275★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Flashcards World Karteikarten: 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: 555 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Flashcards World Karteikarten make per month?▴
Based on our ML-calibrated revenue forecast, Flashcards World Karteikarten earns approximately $3.5K/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 Flashcards World Karteikarten?▴
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 Flashcards World Karteikarten?▴
Flashcards World Karteikarten is published by Flashcards World SL 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 Flashcards World Karteikarten's BU Score?▴
Flashcards World Karteikarten has a BU Score of 65/100 (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.