50
Quality Score
Solid
Classic 21 BlackJack
✍️ bumetric analysis
“
Classic 21 BlackJack is an Android app from 奇遊創意網路科技有限公司 in the Card category, currently rated 3.8★ across 278 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 50: Solid (established niche player). For a Card 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
$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
💰 Estimated build cost
$220K
Likely range: $165K – $295K
Synthetic estimate derived from category, file size, screen count, monetization layer, and platform reach. Methodology benchmarks: Clutch + GoodFirms 2024-2026 agency surveys. See /methodology.
Breakdown
| MVP baseline (design + 1-store ship) | +$28K |
| 5 unique screens × $4.5K | +$22K |
| In-app purchase plumbing | +$9K |
| Card complexity ×1.50 | +$29K |
| Cross-platform reach (iOS + Android) | +$49K |
| 13.5y maintenance × ~1-person team | +$81K |
🔬
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 · 52/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
5.3
Market Position
0.0
Growth Velocity
5.0
Defensibility
10.0
Operational Safety
7.0
Founder Strength
5.7
Monetization Maturity
5.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.77★ across 278 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 640d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (640d 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.
🔔
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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:
| Mature app (13y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (278 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 →🔖 v6.9.1🔄 updated 1y ago📂 Card💰 Free📺 Ad-supported💎 IAP $0.99 - $99.99 per item🚀 Launched 2012 (13y old)
📝 About this app
Play blackjack against the dealer and see who can get 21 without going bust!
√ Blackjack pays 3 to 2
√ Insurance pays 2 to 1
√ Dealer must stand on 17.
√ Split option available if the first two cards are the same, inclusive of Aces
√ Double down option available if you wish to double your bet after seeing the first two cards
√ Double on any first two cards and allow double after split
√ Surrender option available if you do not like your first two cards
√ Insurance option available if the dealer's first card is Ace
√ Shuffling after half of the 6-deck cards played
√ Blackjack pays 3 to 2
√ Insurance pays 2 to 1
√ Dealer must stand on 17.
√ Split option available if the first two cards are the same, inclusive of Aces
√ Double down option available if you wish to double your bet after seeing the first two cards
√ Double on any first two cards and allow double after split
√ Surrender option available if you do not like your first two cards
√ Insurance option available if the dealer's first card is Ace
√ Shuffling after half of the 6-deck cards played
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Classic 21 BlackJack
- Developer
- 奇遊創意網路科技有限公司
- Bundle ID
- com.qiyofun.android.game.blackjack
- App Store URL
- Open in App Store
- Category
- Card
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.qiyogame.com
- 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
- $320/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $99.99 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 growth278 ratings+13% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (35 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.
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Full revenue analysis
Read the article-style breakdown for Classic 21 BlackJack: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.