StarMap 3D+ Plus
77
Quality Score
Strong
✍️ Bumetric analysis
“
StarMap 3D+ Plus is an iOS app from Sanville Software in the Education category, currently rated 4.8★ across 6,832 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 77: Strong (healthy traction). For a Education 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.
💰 Monthly revenue · now vs forecast
● Right now
$13.2K
per month
→
12-mo forecast
$13.7K – $28.6K
per month
→
24-mo forecast
$16.9K – $50.8K
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
120 snapshots on record
Rating
4.8
Reviews
6,832 reviews
Forecast Revenue / mo
$13.2K
Snapshots tracked
120
since Mar 2013
ONE-TIME · BUILD
💰 Estimated build cost
$210K
↳ What it cost to build · not monthly revenue
Likely range $160K – $285K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~1.3y at current MRR
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 |
| 📦 Asset bundle (576 MB) | +$40K |
| ⚙ Education complexity ×1.20 | +$18K |
| ⚙ 16.7y maintenance × ~1-person team | +$100K |
Total estimate
$210K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$300K
↳ What it would sell for · not monthly revenue
Marketplace range $225K – $375K · 22× MRR multiple
💸
~1.4× build cost (break-even+)
Synthetic estimate. Multiple band derived from ad-supported + 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
| 📺 Ad-supported base | 15× MRR |
| 📅 16.7y proven track record | +20% |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Education category multiple | +6% |
Final multiple
22× MRR
👥 Estimated audience size
405K
Lifetime downloads (US-equivalent)
Monthly active
14K
Daily active
4.3K
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
| 📲 Education engagement | ~85 installs / rating |
| 📅 16.7y of rating accumulation | -30% |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 55%
Also possible
React Native
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
| 📦 App bundle size | 576 MB |
| 🏷 Category context | Education |
| 📦 Large iOS bundle | → Native Swift / UIKit (pre-2020 era) + assets |
💀 Maintenance status
At risk
50%
Last shipped 2026-01-02 · 268 days ago
0 · Active
50 · At risk
100 · 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
| 📅 8 months since last update | Concerning gap |
Verdict
At risk
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$13.2K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$12.5K – $20.9K
12 months
$13.7K – $28.6K
24 months
$16.9K – $50.8K
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 · 52/100MID TIERunderperforming peersRevenue Strength
4.1
Product Quality
8.7
Market Position
2.0
Growth Velocity
5.0
Defensibility
6.0
Operational Safety
9.0
Founder Strength
5.8
Monetization Maturity
1.0
- 💰 Revenue: Modest — $9K - $19K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.83★ across 6,832 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 268d ago — slow cadence.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 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 = $237K-$423K. Portfolio play ($65K/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
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 10 of 10 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($2.99)METRIC | +$2,800 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (6,832 ratings)METRIC | +$1,500 | |
| Mature app (16y old)METRIC | +$1,500 | |
| Multilingual (28 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 |
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.
🆕 What's New · v4.8.1
• Various bug fixes and improvements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- StarMap 3D+ Plus
- Developer
- Sanville Software
- Bundle ID
- com.EdSanville.StarMap3DPlus
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- AR, HR, CS, DA, NL, EN, FI, FR, DE, EL, HE, ID, IT, JA, KO, NB, PL, PT, RO, RU, ZH, SK, ES, SV, TH, ZH, TR, UK
Company
- Website
- Not found
- Tagline
- starmap3d.com
- Description
- The premium domain starmap3d.com is available for purchase. Secure transaction via Domain Coasters.
- 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
- $13.2K/mo
- Top-grossing rank
- Outside top 100 in US Education
- 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 growth6,852 ratings+1579% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (0 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
💰Pricing History$0.00 → $2.99 (+0%)
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
Use your iPhone's compass and gyroscope to find planets, constellations, satellites, and more with crisp, colorful, high-definition Retina graphics that use every pixel of your iPhone or iPad! Hold the universe in your pocket!
StarMap 3D Plus is the portable star atlas for beginners or advanced astronomers. Use StarMap 3D Plus to find the planets, stars, constellations, star clusters, galaxies, and nebulae visible to you based on your location and time. StarMap 3D will even use the compass to automatically align the map!… View full description on the official store →
StarMap 3D Plus is the portable star atlas for beginners or advanced astronomers. Use StarMap 3D Plus to find the planets, stars, constellations, star clusters, galaxies, and nebulae visible to you based on your location and time. StarMap 3D will even use the compass to automatically align the map!… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 576 MB🔞 4+📱 iOS 16.6+🔖 v4.8.1🔄 updated 8mo ago🌐 AR, HR, CS, DA, NL +23📂 Education💰 Paid🚀 Launched 2010 (16y old)
📅
What Worked™ · Development Pipeline
12 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
💲
Went paid — introduced $2.99 price point
→ 30 days after: reviews +11 high confidence
2026-03
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
2025-07
📈
Crossed 500 ratings — social-proof flywheel kicking in
2013-10
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +9 medium · co-occurring
2013-10
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$120/mo · reviews +25 low · multiple changes
2013-06
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +10 high confidence
2013-04
⭐
Rating ↑ 4.20 → 4.55 (improved 0.35★)
→ 30 days after: revenue +$57/mo · rating +0.07★ · reviews +12 high confidence
2013-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$57/mo · rating +0.35★ · reviews +12 high confidence
2013-03
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$57/mo · rating +0.35★ · reviews +12 high confidence
2013-03
⭐
Rating ↓ 4.25 → 3.60 (dropped 0.65★)
→ 30 days after: revenue +$57/mo · rating +0.35★ · reviews +12 medium · co-occurring
2013-03
⭐
Rating ↓ 5.00 → 4.25 (dropped 0.75★)
→ 30 days after: revenue +$57/mo · rating +0.35★ · reviews +12 medium · co-occurring
2013-03
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.83309★ | 6,860 | 4.83309★ this version |
| 🇬🇧 GB | 4.77029★ | 875 | 4.77029★ this version |
| 🇩🇪 DE | 4.78822★ | 2,106 | 4.78822★ this version |
| 🇫🇷 FR | 4.7621★ | 744 | 4.7621★ this version |
| 🇯🇵 JP | 4.65311★ | 885 | 4.65311★ this version |
| 🇨🇦 CA | 4.69318★ | 352 | 4.69318★ this version |
| 🇦🇺 AU | 4.78718★ | 390 | 4.78718★ this version |
| 🇧🇷 BR | 4.85024★ | 207 | 4.85024★ this version |
| 🇮🇳 IN | 4.7561★ | 41 | 4.7561★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for StarMap 3D+ Plus: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Sanville Software
View all →📦 Portfolio summaryINDIE studio
2apps·$20K/mocombined
Lead-app heavy — top app contributes 64%
About this analysis
Why medium confidence: 6,832 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does StarMap 3D+ Plus make per month?▴
Based on our ML-calibrated revenue forecast, StarMap 3D+ Plus earns approximately $13K/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 StarMap 3D+ Plus profitable?▴
With estimated build cost $210K and monthly revenue $13K, StarMap 3D+ Plus looks break-even-grade — payback period sits around 1.3 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does StarMap 3D+ Plus have?▴
Estimated audience: ~405K lifetime downloads, ~14K monthly active users, and ~4K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like StarMap 3D+ Plus?▴
Browse the full Education 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 StarMap 3D+ Plus built with?▴
Our heuristic places StarMap 3D+ Plus on the Native iOS (Swift / UIKit) stack (Medium confidence, 55%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is StarMap 3D+ Plus still actively maintained?▴
Maintenance status: At risk (50% abandonment risk). Last shipped version was 8 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would StarMap 3D+ Plus sell for?▴
Estimated acquisition value: $300K (marketplace range $225K – $375K). Calculated as 22× 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.
When was StarMap 3D+ Plus last updated?▴
StarMap 3D+ Plus last shipped a new version on 2026-01-02 — 8 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes StarMap 3D+ Plus?▴
StarMap 3D+ Plus is published by Sanville Software on the Apple App 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 StarMap 3D+ Plus's BU Score?▴
StarMap 3D+ Plus has a BU Score of 77/100 (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.