63
Quality Score
Solid
Mobile Observatory Free
✍️ bumetric analysis
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Mobile Observatory Free is an Android app from Wolfgang Zima in the Education category, currently rated 4.4★ across 7,512 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 63: Solid (established niche player). For a Education 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.
💰 Revenue · today and ahead
Today
$5.0K/mo
In 12 months
$5.2K – $10.8K
In 24 months
$6.4K – $19.2K
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
🔬
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 · 45/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
7.9
Market Position
0.0
Growth Velocity
5.0
Defensibility
5.2
Operational Safety
7.0
Founder Strength
6.1
Monetization Maturity
1.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.41★ across 7,512 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1825d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1825d 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. Portfolio play ($26K/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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Low install base (7,512 ratings)METRIC | +$1,500 | |
| Good rating (4.4★)METRIC | +$800 | |
| Established app (6y old)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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v3.3.4🔄 updated 5y ago📂 Education💰 Free📺 Ad-supported🚀 Launched 2019 (6y old)
📝 About this app
Mobile Observatory Free is the perfect tool for anybody interested in the sky's wonders, from the occasional sky gazer to the passionate amateur astronomer.
If you want the ad-free version, please visit
https://play.google.com/store/apps/details?id=com.zima.mobileobservatorypro
Do you want to know if the next lunar eclipse is visible from your location or when the next bright comet is visible? Would you like to be notified by your smart phone next time, Jupiter and the Moon meet in the sky? Do you want to know what the blazing bright object in the evening sky is? Do you want to be… View full description on the official store →
If you want the ad-free version, please visit
https://play.google.com/store/apps/details?id=com.zima.mobileobservatorypro
Do you want to know if the next lunar eclipse is visible from your location or when the next bright comet is visible? Would you like to be notified by your smart phone next time, Jupiter and the Moon meet in the sky? Do you want to know what the blazing bright object in the evening sky is? Do you want to be… View full description on the official store →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Mobile Observatory Free
- Developer
- Wolfgang Zima
- Bundle ID
- com.zima.mobileobservatoryfree
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- mobileobservatory.info
- 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
- $904/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 growth7,512 ratings+65% lifetimeShow 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.
More by Wolfgang Zima
View all →📦 Portfolio summaryINDIE studio
3apps·$26K/mocombined
Lead-app heavy — top app contributes 56%
Full revenue analysis
Read the article-style breakdown for Mobile Observatory Free: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.