66
Quality Score
Solid
Мудрость Оптинских старцев
✍️ bumetric analysis
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Мудрость Оптинских старцев is an Android app from Artem Moroz in the Books & Reference category, currently rated 5.0★ across 1,739 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 66: Solid (established niche player). For a Books & Reference 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.
💰 Revenue · today and ahead
Today
$729/mo
In 12 months
$637 – $2297
In 24 months
$590 – $5314
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
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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 |
| ⚙Books & Reference complexity ×0.95 | $-2525 |
| 🌐Cross-platform reach (iOS + Android) | +$26K |
Total estimate$75K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$10K
↳ What it would sell for · not monthly revenue
Marketplace range $10K – $15K · 17× 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 ≥ 4.7 (premium) | +15% |
| 🏷Books & Reference category multiple | -2% |
Final multiple17× MRR
👥 Estimated audience size
190K
Lifetime downloads (US-equivalent)
Monthly active
19K
Daily active
3.8K
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
| 📲Books & Reference engagement | ~110 installs / rating |
| 🔁Books & Reference D30 retention | 10% |
| 📍DAU / MAU stickiness | 0.20 |
DAU / MAU20% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
High confidence · 80%
Also possible
Flutter
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
| 🏷Category context | Books & Reference |
| 📦Compact Android bundle | → Native Kotlin |
💀 Maintenance status
At risk
50%
Last shipped 2025-09-14 · 251 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
| 📅8 months since last update | Concerning gap |
VerdictAt risk
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$729/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
6 months
$621 – $1.4K
12 months
$637 – $2.3K
24 months
$590 – $5.3K
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 · 44/100INDIE TIERexpected for tierRevenue Strength
2.9
Product Quality
9.0
Market Position
0.0
Growth Velocity
5.0
Defensibility
3.5
Operational Safety
9.0
Founder Strength
5.0
Monetization Maturity
1.0
- 💰 Revenue: Marginal — $291 - $1822/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 5.0★ across 1,739 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 251d 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 = $13K-$23K. Portfolio play ($2K/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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (5.0★)METRIC | +$2,200 | |
| Low install base (1,739 ratings)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
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 →🔖 v1.16🔄 updated 8mo ago📂 Books & Reference💰 Free
📝 About this app
All those who follow the path of the Gospel commandments face many spiritual questions, the answers to which can be gleaned from the book “Soulful Teachings of the Venerable Optina Elders.” This book contains more than five hundred teachings, including advice and instructions from the holy elders, extracted from their lives, teachings and more than three hundred unpublished letters. We offer you an electronic version of this book.
If the application does not launch after installation, try freeing up 4MB of space on the internal memory.… View full description on the official store →
If the application does not launch after installation, try freeing up 4MB of space on the internal memory.… View full description on the official store →
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Мудрость Оптинских старцев
- Developer
- Artem Moroz
- Bundle ID
- com.mav.optinskiestartsi
- App Store URL
- Open in App Store
- Category
- Books & Reference
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- Not found
- Tagline
- Not found
- 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
- $729/mo
- Top-grossing rank
- Not found
- 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.
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.
More by Artem Moroz
View all →📦 Portfolio summaryINDIE studio
5apps·$2K/mocombined
✓ Diversified — top app contributes 34%; risk spread across portfolio
Full revenue analysis
Read the article-style breakdown for Мудрость Оптинских старцев: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Мудрость Оптинских старцев make per month?▾
Based on our ML-calibrated revenue forecast, Мудрость Оптинских старцев earns approximately $729/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 Мудрость Оптинских старцев profitable?▾
With estimated build cost $75K and monthly revenue $729, Мудрость Оптинских старцев 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 Мудрость Оптинских старцев have?▾
Estimated audience: ~190K lifetime downloads, ~19K monthly active users, and ~3K 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 Мудрость Оптинских старцев?▾
Browse the full Books & Reference 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 Мудрость Оптинских старцев built with?▾
Our heuristic places Мудрость Оптинских старцев on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Мудрость Оптинских старцев still actively maintained?▾
Maintenance status: At risk (50% abandonment risk). Last shipped version was 8 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Мудрость Оптинских старцев sell for?▾
Estimated acquisition value: $10K (marketplace range $10K – $15K). Calculated as 17× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was Мудрость Оптинских старцев last updated?▾
Мудрость Оптинских старцев last shipped a new version on 2025-09-14 — 8 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Мудрость Оптинских старцев?▾
Мудрость Оптинских старцев is published by Artem Moroz on the Google Play 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 Мудрость Оптинских старцев's BU Score?▾
Мудрость Оптинских старцев has a BU Score of 66/100 (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.