70
Quality Score
Strong
Knowledge Base for WoT
✍️ bumetric analysis
“
Knowledge Base for WoT is an Android app from Yevhen Bryl in the Books & Reference category, currently rated 3.8★ across 175,329 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 70: Strong (healthy traction). For a Books & Reference app, that means healthy traction. 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
$5.0K/mo
In 12 months
$5.2K – $10.8K
In 24 months
$6.4K – $19.2K
MID 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
$170K
↳ What it cost to build · not monthly revenue
Likely range $130K – $230K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Pays back in ~4.8y 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 |
| 💎In-app purchase plumbing | +$9K |
| ⚙Books & Reference complexity ×0.95 | $-2975 |
| 🌐Cross-platform reach (iOS + Android) | +$31K |
| ⚙13.5y maintenance × ~1-person team | +$81K |
Total estimate$170K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$100K
↳ What it would sell for · not monthly revenue
Marketplace range $75K – $125K · 32× MRR multiple
💸~0.6× build cost (under-water)
Synthetic estimate. Multiple band derived from iap / freemium model + 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
| 💎IAP / freemium model base | 28× MRR |
| 📅13.5y proven track record | +20% |
| ⭐★ rating 3.5-4.0 (mixed) | -8% |
| 🏷Books & Reference category multiple | -2% |
| ⭐Mature user base (100K+ ratings) | +5% |
Final multiple32× MRR
👥 Estimated audience size
13.5M
Lifetime downloads (US-equivalent)
Monthly active
415K
Daily active
83K
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 |
| 📅13.5y of rating accumulation | -30% |
| 🔁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
Likely abandoned
93%
Last shipped 2022-10-10 · 1321 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
| 📅3y+ since last update | Likely abandoned |
| •14y old + 1y+ no update | +5% (API deprecation drift) |
VerdictLikely abandoned
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
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 · 50/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
7.7
Market Position
0.0
Growth Velocity
5.0
Defensibility
7.0
Operational Safety
7.0
Founder Strength
4.5
Monetization Maturity
5.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.83★ across 175,329 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1321d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1321d since update).
🎯 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 = $90K-$160K.
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:
| High install base (175,329 ratings)METRIC | +$12,000 | |
| Mature app (13y old)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 →🔖 v10.7.0🔄 updated 3y ago📂 Books & Reference💰 Free📺 Ad-supported💎 IAP $0.99 - $8.99 per item🚀 Launched 2012 (13y old)
📝 About this app
Knowledge base for "World of Tanks" game.
This application is NOT a development of Wargaming.net. Application is made in accordance with Wargaming Developer Partner Program rules: http://eu.wargaming.net/developers/documentation/rules/rules/
Detailed information on the tanks of all nations. Detailed parameters of chassis, radios, engines, turrets and guns, compatible equipment and consumables. Includes data of premium and gift tanks.
Maps, battle achievements and skills information.
Data is based on WoT version 1.11
Application doesn't require internet access, works offline.… View full description on the official store →
This application is NOT a development of Wargaming.net. Application is made in accordance with Wargaming Developer Partner Program rules: http://eu.wargaming.net/developers/documentation/rules/rules/
Detailed information on the tanks of all nations. Detailed parameters of chassis, radios, engines, turrets and guns, compatible equipment and consumables. Includes data of premium and gift tanks.
Maps, battle achievements and skills information.
Data is based on WoT version 1.11
Application doesn't require internet access, works offline.… 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
- Knowledge Base for WoT
- Developer
- Yevhen Bryl
- Bundle ID
- com.enigmapro.wot.knowlege
- 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
- $3.0K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $8.99 per item
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 growth175,329 ratings+33% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
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 Knowledge Base for WoT: 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 Knowledge Base for WoT make per month?▾
Based on our ML-calibrated revenue forecast, Knowledge Base for WoT earns approximately $2K/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 Knowledge Base for WoT profitable?▾
With estimated build cost $170K and monthly revenue $2K, Knowledge Base for WoT looks slow ROI — payback period is around 4.8 years at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Knowledge Base for WoT have?▾
Estimated audience: ~13.5M lifetime downloads, ~415K monthly active users, and ~83K 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 Knowledge Base for WoT?▾
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 Knowledge Base for WoT built with?▾
Our heuristic places Knowledge Base for WoT 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 Knowledge Base for WoT still actively maintained?▾
Maintenance status: Likely abandoned (93% abandonment risk). Last shipped version was 3+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Knowledge Base for WoT sell for?▾
Estimated acquisition value: $100K (marketplace range $75K – $125K). Calculated as 32× 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 Knowledge Base for WoT last updated?▾
Knowledge Base for WoT last shipped a new version on 2022-10-10 — more than 3 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Knowledge Base for WoT?▾
Knowledge Base for WoT is published by Yevhen Bryl 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 Knowledge Base for WoT's BU Score?▾
Knowledge Base for WoT has a BU Score of 70/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.