BlackJack 21 - Card Game
38
Quality Score
Emerging
βοΈ Bumetric analysis
“
BlackJack 21 - Card Game is an Android app from Tiago Do Couto in the Card category, currently rated 3.0β across 36 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 38: Emerging (early traction worth watching). For a Card app, that means early traction worth watching. 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.
π° Monthly revenue Β· now vs forecast
β Right now
$500
per month
β
12-mo forecast
$437 β $1575
per month
β
24-mo forecast
$405 β $3644
per month
INDIE tier
π‘ Grow this revenue
Free AI audit of this appβs store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5Γ organic installs
π Performance Tracking LIVE
1 snapshots on record
Rating
3.0
Reviews
36 reviews
Forecast Revenue / mo
$500
Snapshots tracked
1
since Jun 2026
ONE-TIME Β· BUILD
π° Estimated build cost
$185K
β³ What it cost to build Β· not monthly revenue
Likely range $140K β $250K
$25K Β· MVP floor
$100K Β· indie scale
$500K+ Β· studio build
π
Slow ROI β current MRR is well below build cost
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age Γ team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 𧱠MVP baseline (design + 1-store ship) | +$28K |
| π± 5 unique screens Γ $4.5K | +$22K |
| β Card complexity Γ1.50 | +$25K |
| π Cross-platform reach (iOS + Android) | +$41K |
| β 11.4y maintenance Γ ~1-person team | +$68K |
Total estimate
$185K
ONE-TIME Β· EXIT VALUE
π΅ Estimated acquisition value
$5K
β³ What it would sell for Β· not monthly revenue
Marketplace range $5K β $10K Β· 12Γ MRR multiple
πΈ
~0.0Γ 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
| πΊ Ad-supported base | 15Γ MRR |
| π 11.4y proven track record | +20% |
| β β rating < 3.5 (weak) | -18% |
| π· Card category multiple | -15% |
| β Small user base (<1K ratings) | -8% |
Final multiple
12Γ MRR
π Estimated tech stack
π€
Native Android (Kotlin)
Medium confidence Β· 55%
Also possible
Flutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries β 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
| π· Category context | Card |
| π¦ Tiny game bundle | β Native 2D engine |
π¬
How we forecast this revenue
LOW CONFIDENCEBaseline
$500/mo Β· ML-estimated from 234 triggers
Growth rate
+6.0% MoM Β· INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$426 β $993
12 months
$437 β $1.6K
24 months
$405 β $3.6K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon β typical noise band Β±40% at 6mo.. Ranges widen with horizon β distant futures carry more uncertainty.
π
BU Investment Matrix
Pre-traction Β· 36/100INDIE TIERlimited signalGrowth Velocity
5.0
Founder Strength
3.9
Product Quality
2.4
Revenue Strength
2.7
Monetization Maturity
1.0
Defensibility
6.0
Market Position
0.0
Operational Safety
8.0
- π° Revenue: Marginal β $200 - $1250/mo Β· INDIE tier Β· medium confidence, trajectory unclear.
- β Quality: 3.0β across 36 reviews β weak β significant quality concerns.
- π Market: Not yet charting in any of the 9 monitored markets.
- π Growth: Insufficient signal to assess trajectory.
- β οΈ Risk: Moderate β no material risk signals detected.
π― For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge β otherwise crowded segment.
π΅ For acquirers: Estimated asking range 18-32Γ monthly = $9K-$16K.
Composite of 8 dimensions computed deterministically from public signals β no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:
π° Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
π¬Forecast Breakdown β 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:
| Below-average rating (3.0β )METRIC | β$1,500 | |
| Mature app (11y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Pre-traction phase (36 ratings)METRIC | β$300 |
METRIC = structural app data Β· REVIEW = mined from user reviews Β· β VERIFIED = Stripe-verified anchor (TrustMRR)
π Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
β Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
Profile & Insights
Everything we know β and don't β about this app and its company.
Identification
- App name
- BlackJack 21 - Card Game
- Developer
- Tiago Do Couto
- Bundle ID
- com.wiu.thdc.blackjack
- App Store URL
- Open in App Store
- Category
- Card
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- coutocode.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $500/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" β additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
π About this app
Blackjack 21 - The Ultimate Casino Card Game! ππ°
Try your luck in Blackjack 21, the classic casino card game where strategy meets excitement! Play against the dealer and aim for 21 pointsβbut donβt go over!
π° How to Play:
Get as close to 21 as possible without busting.
Beat the dealer by having a higher hand.
Hit 21 with your first two cards for a BLACKJACK and win big! π
Test your skills, make strategic decisions, and feel the thrill of the best blackjack experience! Are you ready to win? Download now and start playing!
Try your luck in Blackjack 21, the classic casino card game where strategy meets excitement! Play against the dealer and aim for 21 pointsβbut donβt go over!
π° How to Play:
Get as close to 21 as possible without busting.
Beat the dealer by having a higher hand.
Hit 21 with your first two cards for a BLACKJACK and win big! π
Test your skills, make strategic decisions, and feel the thrill of the best blackjack experience! Are you ready to win? Download now and start playing!
π vVaries with deviceπ Cardπ° FreeπΊ Ad-supportedπ Launched 2015 (11y old)
π
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π Description
95
BU Score Β· Transcendent
More by Tiago Do Couto
View all βπ¦ Portfolio summaryINDIE studio
5appsΒ·$6K/mocombined
β Concentrated β top app contributes 83% of combined revenue (single-app dependency)
About this analysis
Why low confidence: only 36 ratings Β· no founder-verified revenue (model estimate only) Β· revenue figure is directional only.
β Frequently Asked Questions
7 answers Β· auto-generated from this app's public dataHow much does BlackJack 21 - Card Game make per month?β΄
Based on our ML-calibrated revenue forecast, BlackJack 21 - Card Game earns approximately $500/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 BlackJack 21 - Card Game profitable?β΄
With estimated build cost $185K and monthly revenue $500, BlackJack 21 - Card Game looks well below break-even β 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.
What apps are like BlackJack 21 - Card Game?β΄
Browse the full Card 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 BlackJack 21 - Card Game built with?β΄
Our heuristic places BlackJack 21 - Card Game on the Native Android (Kotlin) stack (Medium confidence, 55%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
How much would BlackJack 21 - Card Game sell for?β΄
Estimated acquisition value: $5.0K (marketplace range $5.0K β $10K). Calculated as 12Γ 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.
Who makes BlackJack 21 - Card Game?β΄
BlackJack 21 - Card Game is published by Tiago Do Couto 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 BlackJack 21 - Card Game's BU Score?β΄
BlackJack 21 - Card Game has a BU Score of 38/100 (Emerging). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.