57
Quality Score
Solid
Simple Anki - Flashcard App
Medium confidence
✍️ bumetric analysis
“
Simple Anki - Flashcard App is an iOS app from Astemir Boziev in the News category, currently rated 4.6★ across 214 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 57: 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 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
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$105K
↳ What it cost to build · not monthly revenue
Likely range $80K – $140K
$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 (99 MB) | +$19K |
| ⚙News complexity ×1.20 | +$13K |
| ⚙3.9y maintenance × ~1-person team | +$23K |
Total estimate$105K
👥 Estimated audience size
20K
Lifetime downloads (US-equivalent)
Monthly active
2.7K
Daily active
1.2K
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 |
| 📅3.9y of rating accumulation | -19% |
| 🔁News D30 retention | 15% |
| 📍DAU / MAU stickiness | 0.45 |
DAU / MAU44% sticky
🛠 Estimated tech stack
🍎
Native iOS (SwiftUI)
Medium confidence · 60%
Also possible
React NativeFlutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
Signals we read
| 📦App bundle size | 99 MB |
| 🏷Category context | News |
| 📦Mid-large iOS bundle | → Likely native SwiftUI (post-2020 era) |
💀 Maintenance status
Active
15%
Last shipped 2026-05-11 · 14 days ago
0 · Active50 · At risk100 · Abandoned
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| 📅14 days since last update | Active development |
| 👥Small user base (214 ratings) + 3.9y old | +10% (solo-project pattern) |
VerdictActive
🔬
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
Pre-traction · 36/100INDIE TIERFREE (NO MONETIZATION)limited signalRevenue Strength
2.7
Product Quality
4.9
Market Position
2.0
Growth Velocity
5.0
Defensibility
3.0
Operational Safety
7.3
Founder Strength
3.2
Monetization Maturity
0.5
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.58★ across 214 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Moderate — rating drift -0.76 ★ (recent 50 vs lifetime).
🎯 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 4 of 4 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 | |
| Established app (3y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (214 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.
App Specs
🔐 Own this app? Claim & verify MRR →💾 99 MB🔞 4+📱 iOS 18.0+🔖 v2.0.5🔄 updated 2w ago🌐 EN, FR, DE, JA📂 News💰 Paid🚀 Launched 2022 (3y old)
📝 About this app
Remember everything you learn.
Azri (formerly Simple Anki) uses the FSRS algorithm, the most advanced spaced repetition scheduler available, to predict exactly when you will forget each card and schedule your review at the perfect moment. The result is 90%+ long-term retention with less study time.
SMART FLASHCARDS
Azri goes beyond basic flashcards. It tracks the stability, difficulty, and retrievability of every card, then automatically adjusts your schedule based on how you actually perform. No manual intervals. No guessing.
Add images and audio to make concepts easier to remember.… View full description on the official store →
Azri (formerly Simple Anki) uses the FSRS algorithm, the most advanced spaced repetition scheduler available, to predict exactly when you will forget each card and schedule your review at the perfect moment. The result is 90%+ long-term retention with less study time.
SMART FLASHCARDS
Azri goes beyond basic flashcards. It tracks the stability, difficulty, and retrievability of every card, then automatically adjusts your schedule based on how you actually perform. No manual intervals. No guessing.
Add images and audio to make concepts easier to remember.… View full description on the official store →
🆕 What's New · v2.0.5
You can now study from the Queue screen using both decks and folders, so it is easier to find exactly what you want to review next.
We added a Feature Requests section to your profile.… Full release notes →
We added a Feature Requests section to your profile.… Full release notes →
📅
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
📈
Crossed 50 ratings — social-proof flywheel kicking in
2026-05
🔄
Monetization changed: freemium → free
2026-03
⭐
Rating ↑ 3.84 → 4.70 (improved 0.86★)
2026-01
📈
Crossed 10 ratings — social-proof flywheel kicking in
2026-01
⭐
Rating ↓ 4.80 → 4.17 (dropped 0.63★)
2023-12
🚀
First tracked snapshot — initial data captured
🗣
Voice of Customer
Based on 68 reviews across 6 markets● 72% positive · ● 13% neutral · ● 15% negative · Rating drift: -0.76★ (declining — recent 50: 3.82★ vs lifetime: 4.58★)
Sentiment by country (−1 to +1)
🇬🇧 GB
+0.86
🇺🇸 US
+0.53
🇩🇪 DE
+0.45
🇫🇷 FR
+0.32
🇧🇷 BR
+0.31
🇨🇦 CA
+0.25
Top praise themes
spaced repetition ×4 user friendly ×3 please add ×3 only ×11 decks ×10 cards ×9 one ×9 import ×9
Top complaint themes
cards ×8 doesn ×4 update ×4 recent ×3 won ×3 account ×3 decks ×3 review ×3
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.58605★ | 215 | 4.58605★ this version |
| 🇬🇧 GB | 4.66216★ | 74 | 4.66216★ this version |
| 🇩🇪 DE | 4.15254★ | 59 | 4.15254★ this version |
| 🇫🇷 FR | 4.4375★ | 32 | 4.4375★ this version |
| 🇯🇵 JP | 5★ | 2 | 5★ this version |
| 🇨🇦 CA | 4.55★ | 20 | 4.55★ this version |
| 🇦🇺 AU | 4.54286★ | 35 | 4.54286★ this version |
| 🇧🇷 BR | 4.82★ | 50 | 4.82★ this version |
| 🇮🇳 IN | 0★ | 0 | — |
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Simple Anki - Flashcard App
- Developer
- Astemir Boziev
- Bundle ID
- nart.SimpleAnki
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- EN, FR, DE, JA
Company
- Website
- Not found
- Tagline
- Flashcards that actually stick.
- Description
- Azri turns your notes, photos, and PDFs into flashcards in seconds. Spaced repetition with FSRS, cloud sync, and auto-translation. Free on iPhone and iPad.
- 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
- $144/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
- instagram instagram.com/azri.cards · twitter x.com/AzriCards
- hello@azri.app
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth214 ratings+164% lifetimeShow 3-year history estimate ▾
Tracked (24 weeks) Pre-tracking estimate (36 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.
Full revenue analysis
Read the article-style breakdown for Simple Anki - Flashcard App: 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: 214 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does Simple Anki - Flashcard App make per month?▴
Based on our ML-calibrated revenue forecast, Simple Anki - Flashcard App earns approximately $143/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 Simple Anki - Flashcard App profitable?▴
With estimated build cost $105K and monthly revenue $143, Simple Anki - Flashcard App 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 Simple Anki - Flashcard App have?▴
Estimated audience: ~20K lifetime downloads, ~2K monthly active users, and ~1K 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 Simple Anki - Flashcard App?▴
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.
What is Simple Anki - Flashcard App built with?▴
Our heuristic places Simple Anki - Flashcard App on the Native iOS (SwiftUI) stack (Medium confidence, 60%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is Simple Anki - Flashcard App still actively maintained?▴
Maintenance status: Active (15% abandonment risk). Last shipped version was 14 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Simple Anki - Flashcard App last updated?▴
Simple Anki - Flashcard App last shipped a new version on 2026-05-11 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Simple Anki - Flashcard App?▴
Simple Anki - Flashcard App is published by Astemir Boziev 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 Simple Anki - Flashcard App's BU Score?▴
Simple Anki - Flashcard App has a BU Score of 57/100 (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.