Riddle Stones - Cross Numbers
68
Quality Score
Solid
Riddle Stones - Cross Numbers
High confidence
✍️ bumetric analysis
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Riddle Stones - Cross Numbers is an Android app from ooblada by SMACH in the Puzzle category, currently rated 4.1★ across 21,425 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 68: Solid (established niche player). For a Puzzle 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.
💰 Monthly revenue · now vs forecast
● Right now
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
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
$150K
↳ What it cost to build · not monthly revenue
Likely range $110K – $200K
$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 |
| 💎 In-app purchase plumbing | +$9K |
| ⚙ Puzzle complexity ×1.60 | +$35K |
| 🌐 Cross-platform reach (iOS + Android) | +$52K |
Total estimate
$150K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$35K
↳ What it would sell for · not monthly revenue
Marketplace range $25K – $45K · 25× MRR multiple
💸
~0.2× 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 |
| 🏷 Puzzle category multiple | -12% |
Final multiple
25× MRR
👥 Estimated audience size
3.4M
Lifetime downloads (US-equivalent)
Monthly active
340K
Daily active
105K
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
| 📲 Puzzle engagement | ~160 installs / rating |
| 🔁 Puzzle D30 retention | 10% |
| 📍 DAU / MAU stickiness | 0.32 |
DAU / MAU
31% sticky
🛠 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 | Puzzle |
| 📦 Tiny game bundle | → Native 2D engine |
🔬
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 peersGrowth Velocity
5.0
Founder Strength
4.1
Product Quality
8.2
Revenue Strength
3.7
Monetization Maturity
5.0
Defensibility
7.0
Market Position
0.0
Operational Safety
7.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.1★ across 21,425 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1973d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1973d 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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (21,425 ratings)METRIC | +$5,500 | |
| Mature app (10y old)METRIC | +$1,500 | |
| Good rating (4.1★)METRIC | +$800 | |
| 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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Riddle Stones - Cross Numbers
- Developer
- ooblada by SMACH
- Bundle ID
- air.com.ooblada.riddlestones
- App Store URL
- Open in App Store
- Category
- Puzzle
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.ooblada.net
- 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
- $1.4K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $79.00 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 growth21,425 ratings+76% lifetimeShow 3-year history estimate ▾
Tracked (2 weeks) Pre-tracking estimate (37 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
Love logic deduction games and number puzzles like sudoku?
Riddle Stones is a game of logic that will train your brain: like crosswords but with squares and numbers. The game is based on the asian riddles known as picross, griddler and nonogram. It’s a real mind challenge wrapped in a fun experience where you need to think and use your brains to succeed.
To decipher our puzzle grids, you will use numbers indicating which squares to activate in each grid based on simple rules. Each number tells you where to add squares in a row or a column.… View full description on the official store →
Riddle Stones is a game of logic that will train your brain: like crosswords but with squares and numbers. The game is based on the asian riddles known as picross, griddler and nonogram. It’s a real mind challenge wrapped in a fun experience where you need to think and use your brains to succeed.
To decipher our puzzle grids, you will use numbers indicating which squares to activate in each grid based on simple rules. Each number tells you where to add squares in a row or a column.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 vVaries with device🔄 updated 0d ago📂 Puzzle💰 Free📺 Ad-supported💎 IAP $0.99 - $79.00 per item
📸
Store Page History
8 SCREENSHOT CHANGESEvery time a developer swaps a store screenshot we archive both versions. Compare side-by-side to see what messaging / visuals changed.
iPhone screenshots
Slot 1
2 ver.
2 ver.
2026-05-11
2026-06-13
Slot 2
2 ver.
2 ver.
2026-05-11
2026-06-13
Slot 3
2 ver.
2 ver.
2026-05-11
2026-06-13
Slot 4
2 ver.
2 ver.
2026-05-11
2026-06-13
Slot 5
2 ver.
2 ver.
2026-05-11
2026-06-13
Slot 6
2 ver.
2 ver.
2026-05-11
2026-06-13
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Riddle Stones - Cross Numbers: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why high confidence: 21,425 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Riddle Stones - Cross Numbers make per month?▴
Based on our ML-calibrated revenue forecast, Riddle Stones - Cross Numbers earns approximately $1.4K/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.
What apps are like Riddle Stones - Cross Numbers?▴
Browse the full Puzzle 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 Riddle Stones - Cross Numbers?▴
Riddle Stones - Cross Numbers is published by ooblada by SMACH 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 Riddle Stones - Cross Numbers's BU Score?▴
Riddle Stones - Cross Numbers has a BU Score of 68/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.