Wizard's Solitaire Calculation
30
Quality Score
Emerging
✍️ bumetric analysis
“
Wizard's Solitaire Calculation is an Android app from windbell in the Card category, currently rated 2.5★ across 10 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 30: 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
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
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 |
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$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 · 36/100INDIE TIERlimited signalRevenue Strength
2.7
Product Quality
2.0
Market Position
0.0
Growth Velocity
5.0
Defensibility
7.5
Operational Safety
5.0
Founder Strength
5.2
Monetization Maturity
1.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 2.5★ across 10 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 3055d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (3055d since update).
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 18-32× monthly = $9K-$16K.
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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Below-average rating (2.5★)METRIC | −$1,500 | |
| Mature app (12y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Pre-traction phase (10 ratings)METRIC | −$300 |
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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Wizard's Solitaire Calculation
- Developer
- windbell
- Bundle ID
- jp.windbellrrr.app.solitaire.calculation
- App Store URL
- Open in App Store
- Category
- Card
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- d.hatena.ne.jp
- 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
- $92/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.
📈Ratings growth10 ratingsShow 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.
📝 About this app
* Overview
This game is a one of the playing card solitaire, called 'Calculation'.
This game is called '計算' in Japan.
This is a game to sort numbers.
It has a very high puzzle elements.
In addition, it corresponds to magical operation (remote touch) which can be operated only at the bottom of the screen.
It is not necessary to drag the card directly. Just by operating your finger at the bottom of the screen, you can move the card.
Please try "Wizard's Solitaire Calculation" that you can play comfortably with one hand.
* Rules… View full description on the official store →
This game is a one of the playing card solitaire, called 'Calculation'.
This game is called '計算' in Japan.
This is a game to sort numbers.
It has a very high puzzle elements.
In addition, it corresponds to magical operation (remote touch) which can be operated only at the bottom of the screen.
It is not necessary to drag the card directly. Just by operating your finger at the bottom of the screen, you can move the card.
Please try "Wizard's Solitaire Calculation" that you can play comfortably with one hand.
* Rules… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v2.0.0🔄 updated 0d ago📂 Card💰 Free📺 Ad-supported
🔔
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📝 Description
95
BU Score · Transcendent
More by windbell
View all →📦 Portfolio summaryINDIE studio
9apps·$551/mocombined
✓ Diversified — top app contributes 21%; risk spread across portfolio
About this analysis
Why low confidence: only 10 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
📌 Final verdict — read this before you trust the numbers above
Wizard's Solitaire Calculation is a early-stage Android app in the card space with weak public traction — only 10 ratings, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.
Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only — not founder-verified facts.
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Wizard's Solitaire Calculation make per month?▴
Our model estimates Wizard's Solitaire Calculation earns roughly $91/mo, but with only 10 ratings the confidence interval is wide. No founder-verified MRR is available for this app, so this is a model output calibrated against comparable apps in the same category. See methodology for the formula.
What apps are like Wizard's Solitaire Calculation?▴
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.
Who makes Wizard's Solitaire Calculation?▴
Wizard's Solitaire Calculation is published by windbell 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 Wizard's Solitaire Calculation's BU Score?▴
Wizard's Solitaire Calculation has a BU Score of 30/100 (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.