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Sky Map

Sky Map turns your phone into a window on the night sky.
New in version 1.18.1:Eclipse
More accurate sun and moon algorithm
Installed a more modern algorithm for Sun/Moon position to make eclipse timings even more accurate.
Sky Map helps you identify stars, planets, nebulae, and constellations in real-time.

Originally developed as Google Sky Map, it is now open source.
Find us online:
Official Website: stardroid.app
Open Source: Contribute on GitHub
Join the Community:
    • Facebook @stardroidapp
    • X @skymapdevs

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 1.18.1:Eclipse (1708) suggested Added on Aug 16, 2026

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.google.android.stardroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 18 MiB PGP Signature | Build Log

  • Version 1.18.0:Eclipse (1704) - Added on Aug 11, 2026

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.google.android.stardroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 18 MiB PGP Signature | Build Log

  • Version 1.17.1:Neptune (1699) - Added on Aug 01, 2026

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.google.android.stardroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 18 MiB PGP Signature | Build Log