81
BU Score
Excellent
Stellarium Mobile:Sternenkarte
✍️ BU Analytics Review
“
Stellarium Mobile:Sternenkarte is an iOS app from Noctua Software Ltd in the Education category, currently rated 4.8★ across 35,798 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 81 — Excellent (strong product-market fit). For a Education app, that means strong product-market fit.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
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 14 of 14 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (35,798 ratings)METRIC | +$5,500 | |
| Paid app ($0.00)METRIC | +$2,800 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Multilingual (17 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| too expensiveREVIEW | −$1,000 | |
| support teamREVIEW | +$900 | |
| priceyREVIEW | −$800 | |
| Established app (7y old)METRIC | +$800 |
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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jan 25
Feb 25
Mar 25
Apr 25
May 25
Jun 25
Sep 25
Oct 25
Nov 25
Jan 26
Feb 26
Mar 26
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 422 MB🔞 4+📱 iOS 17+🔖 v1.15.5🔄 updated 2mo ago🌐 AR, CS, NL, EN, FR +12📂 Education💰 Paid🚀 Launched 2019 (7y old)
📝 About this app
Stellarium Mobile is a planetarium app that shows exactly what you see when you look up at the stars.
Identify stars, constellations, planets, comets, satellites (such as the ISS), and other deep sky objects in real time in the sky above you in just a few seconds, just by pointing the phone at the sky!
This astronomy application has an easy to use and minimalist user interface, that makes it one of the best astronomical applications for adults and children who want to explore the night sky.
Stellarium Mobile features:
• View an accurate night sky simulation of stars and planets for any date, time and location.
• Dive in a collection of many stars, nebulas, galaxies, star clusters and other deep sky objects.
• Zoom on realistic Milky Way and Deep Sky Objects images.
• Discover how people living in other regions of the planet see the stars by selecting the shapes and illustrations of the constellations for many sky cultures.
• Track artificial satellites, including the International Space Station.
• Simulate landscape and atmosphere with realistic sunrise, sunset and atmosphere refraction.
• Discover 3D rendering of the major solar system planets and their satellites.
• Observe the sky in night mode (red) to preserve your eyes adaptation to darkness.
Stellarium Mobile contains in-app purchases allowing to upgrade to Stellarium Plus. With this upgrade, the app will display objects as faint as magnitude 22 (versus magnitude 8 in the base version) and enable advanced observing features.
Stellarium Plus features (unlocked with in-app purchase):
• Reach the limit of knowledge by diving in a massive collection of stars, nebulas, galaxies, star clusters and other deep sky objects:
- All known stars: Gaia DR2 catalog of over 1.69 billion stars
- All known planets, natural satellites and comets, and many other minor solar system objects (10k asteroids)
- Most known deep sky objects: a combined catalog of over 2 million nebulas and galaxies
• Zoom almost without limits on high resolution images of deep sky objects or planetary surfaces.
• Observe in the field, even without internet connection, with a "reduced" set of data: 2 million stars, 2 million Deep Sky Objects, 10k asteroids.
• Control your telescope through WIFI: drive any GOTO telescope compatible with NexStar, SynScan or LX200 protocols.
• Prepare your observing sessions using the advanced observation tools, to predict a celestial object observability and transit times.
Stellarium Mobile is made by the original creator of Stellarium, the well known open source planetarium and one of the best astronomy applications on Desktop PC.
Your can unlock the full features using either a one time payment or a subscription. See In-App Purchase section for the subscription price available in your country. Payment will be charged to your iTunes account. Your subscription will automatically renew unless cancelled 24 hours prior to the end of the current period. Auto renewal may be turned off at any time by going to your account settings after purchases.
Terms of service: https://stellarium-labs.com/stellarium-mobile-plus/stellarium-mobile-terms-of-use
Privacy policy: https://www.stellarium-labs.com/privacy-policy-for-stellarium-mobile
Identify stars, constellations, planets, comets, satellites (such as the ISS), and other deep sky objects in real time in the sky above you in just a few seconds, just by pointing the phone at the sky!
This astronomy application has an easy to use and minimalist user interface, that makes it one of the best astronomical applications for adults and children who want to explore the night sky.
Stellarium Mobile features:
• View an accurate night sky simulation of stars and planets for any date, time and location.
• Dive in a collection of many stars, nebulas, galaxies, star clusters and other deep sky objects.
• Zoom on realistic Milky Way and Deep Sky Objects images.
• Discover how people living in other regions of the planet see the stars by selecting the shapes and illustrations of the constellations for many sky cultures.
• Track artificial satellites, including the International Space Station.
• Simulate landscape and atmosphere with realistic sunrise, sunset and atmosphere refraction.
• Discover 3D rendering of the major solar system planets and their satellites.
• Observe the sky in night mode (red) to preserve your eyes adaptation to darkness.
Stellarium Mobile contains in-app purchases allowing to upgrade to Stellarium Plus. With this upgrade, the app will display objects as faint as magnitude 22 (versus magnitude 8 in the base version) and enable advanced observing features.
Stellarium Plus features (unlocked with in-app purchase):
• Reach the limit of knowledge by diving in a massive collection of stars, nebulas, galaxies, star clusters and other deep sky objects:
- All known stars: Gaia DR2 catalog of over 1.69 billion stars
- All known planets, natural satellites and comets, and many other minor solar system objects (10k asteroids)
- Most known deep sky objects: a combined catalog of over 2 million nebulas and galaxies
• Zoom almost without limits on high resolution images of deep sky objects or planetary surfaces.
• Observe in the field, even without internet connection, with a "reduced" set of data: 2 million stars, 2 million Deep Sky Objects, 10k asteroids.
• Control your telescope through WIFI: drive any GOTO telescope compatible with NexStar, SynScan or LX200 protocols.
• Prepare your observing sessions using the advanced observation tools, to predict a celestial object observability and transit times.
Stellarium Mobile is made by the original creator of Stellarium, the well known open source planetarium and one of the best astronomy applications on Desktop PC.
Your can unlock the full features using either a one time payment or a subscription. See In-App Purchase section for the subscription price available in your country. Payment will be charged to your iTunes account. Your subscription will automatically renew unless cancelled 24 hours prior to the end of the current period. Auto renewal may be turned off at any time by going to your account settings after purchases.
Terms of service: https://stellarium-labs.com/stellarium-mobile-plus/stellarium-mobile-terms-of-use
Privacy policy: https://www.stellarium-labs.com/privacy-policy-for-stellarium-mobile
🆕 What's New · v1.15.5
Fix a bug that deleted user data during last update.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Stellarium Mobile:Sternenkarte
- Developer
- Noctua Software Ltd
- Bundle ID
- com.noctuasoftware.stellarium-mobile-plus
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- AR, CS, NL, EN, FR, DE, ID, IT, JA, KO, PL, PT, RU, ZH, ES, ZH, TR
Company
- Website
- www.stellarium-labs.com
- Tagline
- STELLARIUM MOBILE
- Description
- Stellarium Mobile Plus is the next generation astronomy star map app. It combines a realistic and accurate night sky simulation with a gigantic amount of online …
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $16.8K/mo
- Top-grossing rank
- Outside top 100 in US Education
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- https://twitter.com/fabien_chereau
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- https://www.stellarium-labs.com/blog/faq/
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Phone
- Not found
- Contact page
- https://www.stellarium-labs.com/contact-us/
- About page
- https://www.stellarium-labs.com/about/
📈Ratings growth35,798 ratings+59% lifetimeShow 3-year history estimate ▾
Tracked (54 weeks) Pre-tracking estimate (37 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.
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.
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