City Island 5 - Building Sim
79
Quality Score
Strong
βοΈ Bumetric analysis
“
City Island 5 - Building Sim is an Android app from Sparkling Society - Build Town City Building Games in the Simulation category, currently rated 4.6β across 478,645 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 79: Strong (healthy traction). For a Simulation 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
$700K
per month
β
12-mo forecast
$741K β $1141K
per month
β
24-mo forecast
$886K β $1645K
per month
BIG 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
4.6
Reviews
478,645 reviews
Forecast Revenue / mo
$700K
Snapshots tracked
5
since May 2026
ONE-TIME Β· BUILD
π° Estimated build cost
$185K
β³ What it cost to build Β· not monthly revenue
Likely range $140K β $250K
$25K Β· MVP floor
$100K Β· indie scale
$500K+ Β· studio build
π
Pays back in under a month 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 Simulation complexity Γ2.00 | +$59K |
| π Cross-platform reach (iOS + Android) | +$65K |
Total estimate
$185K
ONE-TIME Β· EXIT VALUE
π΅ Estimated acquisition value
$20.0M
β³ What it would sell for Β· not monthly revenue
Marketplace range $15.0M β $26.0M Β· 29Γ MRR multiple
πΈ
~108Γ return on build cost
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 |
| β β rating β₯ 4.4 (solid) | +8% |
| π· Simulation category multiple | -10% |
| β Mature user base (100K+ ratings) | +5% |
Final multiple
29Γ MRR
π₯ Estimated audience size
67.0M
Lifetime downloads (US-equivalent)
Monthly active
10.0M
Daily active
3.0M
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 Simulation engagement | ~140 installs / rating |
| π Simulation D30 retention | 15% |
| π DAU / MAU stickiness | 0.30 |
DAU / MAU
30% 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 | Simulation |
| π¦ Tiny game bundle | β Native 2D engine |
π¬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$700K/mo Β· ML-estimated from 234 triggers
Growth rate
+2.5% MoM Β· BIG tier baseline (compound monthly)
6 months
$690K β $933K
12 months
$741K β $1.1M
24 months
$886K β $1.6M
Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon β typical noise band Β±15% at 6mo.. Ranges widen with horizon β distant futures carry more uncertainty.
π
BU Investment Matrix
Mixed signals Β· 59/100BIG TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
4.4
Product Quality
9.2
Revenue Strength
5.8
Monetization Maturity
5.0
Defensibility
8.0
Market Position
0.0
Operational Safety
10.0
- π° Revenue: Healthy β $280K - $1540K/mo Β· BIG tier Β· medium-low confidence, trajectory unclear.
- β Quality: 4.6β across 478,645 reviews β exceptional (top 1% in category).
- 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 = $12.6M-$22.4M.
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:
| High install base (478,645 ratings)METRIC | +$12,000 | |
| Excellent rating (4.6β )METRIC | +$2,200 | |
| bugsREVIEW | β$1,800 | |
| priceyREVIEW | β$800 | |
| Established app (7y 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
- City Island 5 - Building Sim
- Developer
- Sparkling Society - Build Town City Building Games
- Bundle ID
- com.sparklingsociety.cityisland5
- App Store URL
- Open in App Store
- Category
- Simulation
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.sparklingsociety.net
- 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
- $700K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $104.99 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
ποΈ <b>Experience City Building Like Never Before</b> ποΈ
Discover <i>"City Island 5 - Building Sim"</i>, an innovative city-builder game by Sparkling Society. As the mayor of a small town on a single island ποΈ, you'll embark on a journey to explore the world π, unlocking breathtaking new islands to establish thriving cities. <i>"City Island 5"</i> offers a unique experience of expanding horizons and skylines across various islands, each boasting distinct themes and terrains.β¦ View full description on the official store β
Discover <i>"City Island 5 - Building Sim"</i>, an innovative city-builder game by Sparkling Society. As the mayor of a small town on a single island ποΈ, you'll embark on a journey to explore the world π, unlocking breathtaking new islands to establish thriving cities. <i>"City Island 5"</i> offers a unique experience of expanding horizons and skylines across various islands, each boasting distinct themes and terrains.β¦ View full description on the official store β
π v5.11.0π updated 0d agoπ Simulationπ° FreeπΊ Ad-supportedπ IAP $0.99 - $104.99 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
2026-08
π§
Shipped update β v5.10.0 β v5.11.0
β 30 days after: reviews +1,248 high confidence
2026-07
π§
Shipped update β v5.8.0 β v5.10.0
β 30 days after: reviews +2,571 high confidence
2026-07
π§
Shipped update β v5.7.0 β v5.8.0
β 30 days after: reviews +2,676 high confidence
2026-05
π§
Shipped update β v5.5.1 β v5.7.0
β 30 days after: reviews +1,253 high confidence
2026-05
π
First tracked snapshot β initial data captured
β 30 days after: reviews +1,253 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 City Island 5 - Building Sim: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Sparkling Society - Build Town City Building Games
View all βπ¦ Portfolio summaryBIG studio
5appsΒ·$2.8M/mocombined
β Diversified β top app contributes 25%; risk spread across portfolio
About this analysis
Why high confidence: 478,645 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 City Island 5 - Building Sim make per month?β΄
Based on our ML-calibrated revenue forecast, City Island 5 - Building Sim earns approximately $700K/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 City Island 5 - Building Sim profitable?β΄
With estimated build cost $185K and monthly revenue $700K, City Island 5 - Building Sim looks highly profitable β pays back its build investment in under a month at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does City Island 5 - Building Sim have?β΄
Estimated audience: ~67.0M lifetime downloads, ~10.0M monthly active users, and ~3.0M 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 City Island 5 - Building Sim?β΄
Browse the full Simulation 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 City Island 5 - Building Sim built with?β΄
Our heuristic places City Island 5 - Building Sim 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 City Island 5 - Building Sim sell for?β΄
Estimated acquisition value: $20.0M (marketplace range $15.0M β $26.0M). Calculated as 29Γ 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 City Island 5 - Building Sim?β΄
City Island 5 - Building Sim is published by Sparkling Society - Build Town City Building Games 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 City Island 5 - Building Sim's BU Score?β΄
City Island 5 - Building Sim has a BU Score of 79/100 (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.