Celestia for Android is a real-time space simulator for exploring the solar system on an Android device.
Open source
24 alternativesAndroidPlanisphere
AndroidPlanisphere provides a star chart showing the Sun, Moon, stars, constellations, and planets for a selected location.
About AndroidPlanisphere
AndroidPlanisphere is an open-source star chart application for Android. It shows the sky for a user-defined point in time and an arbitrary location on Earth, covering the Sun and Moon, over 9000 stars, constellation lines, names and boundaries, and all eight planets of the solar system, along with an azimuthal grid, equatorial grid, horizon, ecliptic and celestial equator. The location can be entered manually or taken from the device, and the chart works without an Internet connection. Display options let users enable or disable chart elements, set the maximum apparent magnitude and choose a color theme. Source code is published on GitHub under the GPL-3.0 license, with a Google Play badge included in the repository. Pricing is not stated in the source.
Key features
- Shows Sun, Moon, over 9000 stars, constellations and all eight planets
- Draws constellation lines, boundaries and names in English, Latin or abbreviations
- Includes azimuthal grid, equatorial grid, horizon, ecliptic and celestial equator
- Location entered manually or taken from the device
- Options to toggle elements, set maximum apparent magnitude, pick color theme
- No Internet connection required
Best for: Android users who want a free, open-source sky map for a chosen time and place, including offline use.
Good for
- Open source under the GPL-3.0 license
- Works without an Internet connection
- Configurable chart elements, magnitude limit and color theme
Watch out for
- Android only
- Pricing is not stated in the repository
- The repository excerpt gives no information on support or update schedule
AndroidPlanisphere at a glance
- Category
- Education & Learning › Space & Astronomy
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Android
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
AndroidPlanisphere alternatives
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AndroidPlanisphere FAQ
Does the app require an Internet connection?
No. The homepage states that no Internet connection is required.
How is the observing location set?
It can be entered manually or provided by the device.
Under what license is the project released?
The repository lists a GPL-3.0 license.
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