Merge Ninja Star
70
Quality Score
Strong
βοΈ Bumetric analysis
“
Merge Ninja Star is an Android app from MOUSE_DUCK in the Casual category, currently rated 4.0β across 82,140 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 70: Strong (healthy traction). For a Casual app, that means healthy traction. 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
$5.0K
per month
β
12-mo forecast
$5.2K β $10.8K
per month
β
24-mo forecast
$6.4K β $19.2K
per month
MID 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
5 snapshots on record
Rating
4.0
Reviews
82,140 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
5
since May 2026
ONE-TIME Β· BUILD
π° Estimated build cost
$140K
β³ What it cost to build Β· not monthly revenue
Likely range $105K β $190K
$25K Β· MVP floor
$100K Β· indie scale
$500K+ Β· studio build
π
Pays back in ~2.3y at current MRR
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 |
| π In-app purchase plumbing | +$9K |
| β Casual complexity Γ1.50 | +$29K |
| π Cross-platform reach (iOS + Android) | +$49K |
Total estimate
$140K
ONE-TIME Β· EXIT VALUE
π΅ Estimated acquisition value
$100K
β³ What it would sell for Β· not monthly revenue
Marketplace range $75K β $150K Β· 22Γ MRR multiple
πΈ
~0.7Γ 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
| π IAP / freemium model base | 28Γ MRR |
| π· Casual category multiple | -22% |
Final multiple
22Γ MRR
π₯ Estimated audience size
18.0M
Lifetime downloads (US-equivalent)
Monthly active
1.1M
Daily active
365K
Synthetic estimate from ratings Γ category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent β true global audience can be 5-10Γ larger for international apps. Full math + source list on /methodology.
How we sized it
| π² Casual engagement | ~220 installs / rating |
| π Casual D30 retention | 6% |
| π DAU / MAU stickiness | 0.35 |
DAU / MAU
35% sticky
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 | Casual |
| π¦ Tiny game bundle | β Native 2D engine |
π¬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo Β· ML-estimated from 234 triggers
Growth rate
+4.0% MoM Β· MID tier baseline (compound monthly)
6 months
$4.7K β $7.9K
12 months
$5.2K β $10.8K
24 months
$6.4K β $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon β typical noise band Β±25% at 6mo.. Ranges widen with horizon β distant futures carry more uncertainty.
π
BU Investment Matrix
Below median Β· 55/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
8.0
Market Position
0.0
Growth Velocity
5.0
Defensibility
7.4
Operational Safety
10.0
Founder Strength
4.6
Monetization Maturity
5.0
- π° Revenue: Modest β $3K - $7K/mo Β· MID tier Β· medium confidence, trajectory unclear.
- β Quality: 4.01β across 82,140 reviews β strong (top 10%).
- π Market: Not yet charting in any of the 9 monitored markets.
- π Growth: Insufficient signal to assess trajectory.
- β οΈ Risk: Low 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 = $90K-$160K.
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 6 of 6 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (82,140 ratings)METRIC | +$5,500 | |
| 5 starREVIEW | +$1,800 | |
| highly recommendREVIEW | +$1,400 | |
| Good rating (4.0β )METRIC | +$800 | |
| Established app (5y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
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
- Merge Ninja Star
- Developer
- MOUSE_DUCK
- Bundle ID
- com.mouse_duck.ShurikenGame
- App Store URL
- Open in App Store
- Category
- Casual
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- mouseduckgames.blogspot.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
- $5.0K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $89.99 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.
πUpdate Frequency Β· Releases per Quarter5 releases tracked
πVersion Release Timeline5 releases tracked
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
β Shuriken Grow Renewal Update! β
The original idle game is back with a fresh new look! Easier! Stronger! Experience the addicting fun!
π₯ Endlessly Growing Shurikens! Merge shurikens to advance to the next stage!
The more you merge, the stronger they become!
Challenge battles with even more powerful shurikens!
β‘ Grow even while idling!
An idle battle system where you get stronger even without doing anything! Now, earn even more rewards through the Hunting Warehouse!
π Various Content Battle against powerful bosses!
Enjoy mini-games for extra fun!β¦ View full description on the official store β
The original idle game is back with a fresh new look! Easier! Stronger! Experience the addicting fun!
π₯ Endlessly Growing Shurikens! Merge shurikens to advance to the next stage!
The more you merge, the stronger they become!
Challenge battles with even more powerful shurikens!
β‘ Grow even while idling!
An idle battle system where you get stronger even without doing anything! Now, earn even more rewards through the Hunting Warehouse!
π Various Content Battle against powerful bosses!
Enjoy mini-games for extra fun!β¦ View full description on the official store β
π v2.0.216π updated 0d agoπ Casualπ° FreeπΊ Ad-supportedπ IAP $0.99 - $89.99 per item
π
What Workedβ’ Β· Development Pipeline
5 EVENTS TRACKEDDetected changes in this app over its tracked lifetime β each event links cause (what changed) to effect (what moved). Sorted newest first.See full history βVersion history β
2026-09
π§
Shipped update β v2.0.214 β v2.0.216
β 30 days after: reviews β10 high confidence
2026-08
π§
Shipped update β v2.0.212 β v2.0.214
β 30 days after: reviews β28 high confidence
2026-07
π§
Shipped update β v2.0.210 β v2.0.212
β 30 days after: reviews β30 high confidence
2026-06
π§
Shipped update β v2.0.207 β v2.0.210
β 30 days after: reviews β17 medium Β· co-occurring
2026-05
π
First tracked snapshot β initial data captured
β 30 days after: reviews β5 high confidence
π
Track this appβs revenue
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π Description
95
BU Score Β· Transcendent
Full revenue analysis
Read the article-style breakdown for Merge Ninja Star: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by MOUSE_DUCK
View all βπ¦ Portfolio summaryBIG studio
4appsΒ·$1.4M/mocombined
Lead-app heavy β top app contributes 50%
About this analysis
Why high confidence: 82,140 ratings Β· no founder-verified revenue (model estimate only).
β Frequently Asked Questions
8 answers Β· auto-generated from this app's public dataHow much does Merge Ninja Star make per month?β΄
Based on our ML-calibrated revenue forecast, Merge Ninja Star earns approximately $5.0K/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 Merge Ninja Star profitable?β΄
With estimated build cost $140K and monthly revenue $5.0K, Merge Ninja Star looks break-even-grade β payback period sits around 2.3 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Merge Ninja Star have?β΄
Estimated audience: ~18.0M lifetime downloads, ~1.1M monthly active users, and ~365K daily active users. Derived from ratings count Γ category installs-per-rating Γ age decay. US-storefront-equivalent β global audience can be 5-10Γ larger for internationally-distributed apps.
What apps are like Merge Ninja Star?β΄
Browse the full Casual 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 Merge Ninja Star built with?β΄
Our heuristic places Merge Ninja Star 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 Merge Ninja Star sell for?β΄
Estimated acquisition value: $100K (marketplace range $75K β $150K). Calculated as 22Γ 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 Merge Ninja Star?β΄
Merge Ninja Star is published by MOUSE_DUCK 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 Merge Ninja Star's BU Score?β΄
Merge Ninja Star has a BU Score of 70/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.