Downloads
Aug 12, 2026 eclipse planner in a free astronomy app.
Mobile Observatory Astronomy is a free astronomy app that starts with a sky map, rise/set times, and Moon phases, with a Premium upgrade for the full toolkit. It differentiates itself with a real topographic horizon powered by NASA elevation data, enabling horizon-aware planning and eclipse visibility. The app is not ranked in any top list and currently has a 0.0 rating from 0 reviews.
Pros & Cons
- Unique real horizon calculations using NASA elevation data
- Comprehensive sky catalogs and multi-format viewing (AR, 3D, VR)
- Integrated observing tools (Plan Generator, telescope control)
- Free-to-try with a clear upgrade path to Premium
- No top-list ranking currently,
- Rating at 0.0 from 0 ratings (potentially limiting initial trust)
- Keyword footprint lacks several common astronomy terms (planets, stars, night, space, etc.) compared to some competitors
About Mobile Observatory Astronomy
Mobile Observatory Astronomy is an education app developed by Wolfgang Zima.
Download Statistics
Mobile Observatory Astronomy has been downloaded 6.9 thousand times. In the last 30 days, the app was downloaded 2.5 thousand times.
User Ratings
The app has no ratings yet.
App Information
Mobile Observatory Astronomy is FREE to download. The APK download size is 276.84 MB. The latest version available is 4.7.4. The last update was on July 22, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play December 2025.
More data about Mobile Observatory Astronomy
| Price | Free to download |
| Total downloads | 6.9 thousand |
| Recent downloads | 2.5 thousand |
| Rating | No ratings |
| Ranking | Not ranked |
| Version | 4.7.4 |
| APK size | 276.8 MB |
| Number of libraries | 72 |
| Suitable for | Everyone |
| Ads | NO ads |
App Performance Report
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Mobile Observatory Astronomy compared with similar apps
Common keywords of similar apps
Mobile Observatory Free Times Set Observing Rise Upgrade Premium Complete Photorealistic Plan Generator Planner Local Actions Phases Basic Object Toolkit Obs Google Apps Horizon Flat Astrophotographers Event Aurora Alerts Satellite Visibility Predictions Push Directly Sky Astronomy App View Location Moon Data Eclipse Solar Version Pro Telescope Calendar Features Real Notifications
Keywords missing from this app
Eclipses Lunar Objects Events Space Map Stars Planets Night Astronomical Time Skysafari Celestial Moons Weather Recent Deep Support Sun Star Search Earth Stargazing System Experience Planetary Guide Images Live Full Find Tonight Position Control
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Downloads over time
Mobile Observatory Astronomy has been downloaded 6.9 thousand times. Over the past 30 days, it averaged 84 downloads per day.
Changelog of Mobile Observatory Astronomy
Developer information for Wolfgang Zima
Comments on Mobile Observatory Astronomy for Android
Google Play Rankings for Mobile Observatory Astronomy
Technologies used by Mobile Observatory Astronomy
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