How much does Catch 21 Solitaire Game make per month?

Based on our ML-calibrated revenue forecast, Catch 21 Solitaire Game earns approximately $203/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 Catch 21 Solitaire Game profitable?

With estimated build cost $115K and monthly revenue $203, Catch 21 Solitaire Game 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.

What apps are like Catch 21 Solitaire Game?

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 Catch 21 Solitaire Game built with?

Our heuristic places Catch 21 Solitaire 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.

Is Catch 21 Solitaire Game still actively maintained?

Maintenance status: Likely abandoned (88% abandonment risk). Last shipped version was 4+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.

When was Catch 21 Solitaire Game last updated?

Catch 21 Solitaire Game last shipped a new version on 2022-02-10 — more than 4 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.

Who makes Catch 21 Solitaire Game?

Catch 21 Solitaire Game is published by CardzyGames 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 Catch 21 Solitaire Game's BU Score?

Catch 21 Solitaire Game has a BU Score of 48/100 (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.

Quality Score

Emerging

Catch 21 Solitaire Game

Name: Catch 21 Solitaire Game — app revenue, audience, build cost & risk profile
Creator: bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Catch 21 Solitaire Game revenue, Catch 21 Solitaire Game app analytics, mobile app revenue estimate, Card revenue, Android app revenue

Low confidence

3.9 ✍️ Editor

Card

✍️ bumetric analysis

“

Catch 21 Solitaire Game is an Android app from CardzyGames in the Card category, currently rated 3.9★ across 70 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Quality Score is 48: 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.

💰 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 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

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Typical impact: +2-5× organic installs

📊 Performance Tracking LIVE

Loading…

idle

Rating

—

Reviews

—

Forecast Revenue / mo

—

Snapshots tracked

since first record

ONE-TIME · BUILD💰 Estimated build cost

$115K

↳ What it cost to build · not monthly revenue

Likely range $85K – $155K

$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
⚙Card complexity ×1.50	+$25K
🌐Cross-platform reach (iOS + Android)	+$41K

Total estimate$115K

🛠 Estimated tech stack

🤖

Native Android (Kotlin)

Medium confidence · 55%

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	Card
📦Tiny game bundle	→ Native 2D engine

💀 Maintenance status

Likely abandoned

88%

Last shipped 2022-02-10 · 1564 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

📅4y+ since last update

Likely abandoned

VerdictLikely abandoned

🔬

How we forecast this revenue

LOW CONFIDENCE

Baseline

$500/mo · ML-estimated from 234 triggers

Growth rate

+6.0% MoM · INDIE tier baseline (compound monthly)

Direction

Headwinds: rating drift may slow acquisition

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 · 37/100INDIE TIERlimited signal

Growth Velocity

5.0

Founder Strength

5.9

Product Quality

3.1

Revenue Strength

2.7

Monetization Maturity

1.0

Defensibility

5.0

Market Position

0.0

Operational Safety

7.0

💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
⭐ Quality: 3.85★ across 70 reviews — weak — significant quality concerns.
📍 Market: Not yet charting in any of the 9 monitored markets.
📈 Growth: ⚠ last update 1559d ago — possibly dormant.
⚠️ Risk: Moderate — dormant (1559d 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 = $9K-$16K. 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

MODEL

Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.

📥 Estimated Downloads / week

PROXY · ratings × 50/wk —

Industry-rule estimate (Sensor Tower / data.ai): one weekly install ≈ 50 new ratings. Solid points = tracked snapshots · faded line = pre-tracking model backfill.

📈 Reviews Growth

LIVE

Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE

Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY

Each bar shows a tracked update and the metric delta from the previous snapshot.

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 v1.2.6🔄 updated 4y ago📂 Card💰 Free

📝 About this app

<b>Catch 21 game points on any column, in the given time to score points and win the game.</b>

Catch 21 Game free is a simple, yet very addicting multiplayer solitaire card game to play offline or online. 

The goal of this 21 solitaire card game is to earn as many points as possible in the given time.  

♠♠♠♠♠ How to play Catch 21 Solitaire Game:

♠You get 1 deck of cards (52 cards). Place the cards in the given columns so the column's value will be 21.

♠♠♠♠♠ Gameplay Catch 21 Solitaire Game:

♠ Move the cards by clicking the target column… 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: Catch 21 Solitaire Game
Developer: CardzyGames
Bundle ID: com.cardzygames.game21
App Store URL: Open in App Store
Category: Card
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: $203/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.