Best Cosmic Watch Alternatives in 2026

20 platforms from astronomy apps ranked against Cosmic Watch on the same published basis.

  1. 1Cosmic Watch vs Solar System Scope
  2. 2Cosmic Watch vs Celestia
  3. 4Cosmic Watch vs NASA Eyes
  4. 5Cosmic Watch vs Night Sky
  5. 6Cosmic Watch vs Star Chart
  6. 7Cosmic Watch vs DWARFLAB App
  7. 8Cosmic Watch vs Luminos Pro
  8. 9Cosmic Watch vs SkySafari
  9. 10Cosmic Watch vs BXA
  10. 11Cosmic Watch vs Seestar App
  11. 12Cosmic Watch vs squishyplanet
  12. 13Cosmic Watch vs Sky Guide
  13. 14Cosmic Watch vs UNISTELLAR App
  14. 15Cosmic Watch vs Star Chart
  15. 16Cosmic Watch vs Gaia Sky
  16. 17Cosmic Watch vs Heavens-Above
  17. 18Cosmic Watch vs KStars
  18. 19Cosmic Watch vs SkyORB
  19. 20Cosmic Watch vs SkyPortal
  20. 21Cosmic Watch vs SpaceEngine

Cosmic Watch alternatives compared

#PlatformScoreFree planFromRuns on
1Solar System Scope7.5Free planFreeAndroid, iOS, Mac, Web, Windows
2Celestia7.4Free planFreeAndroid, iOS, Linux, Mac, Web, Windows
4NASA Eyes7.3Free planFreeAndroid, iOS, Linux, Mac, Web, Windows
5Night Sky7.3Free planFreeAndroid, iOS, Mac
6Star Chart7.3Free planFreeAndroid, iOS, Mac, Windows
7DWARFLAB App7.1Free planFreeAndroid, iOS
8Luminos Pro7.1No$3/moiOS, Mac
9SkySafari7.0No—Android, iOS, Mac, Web
10BXA6.9Free planFreeLinux
11Seestar App6.8No—Android, iOS, Mac, Windows
12squishyplanet6.7Free planFreeLinux, Windows
13Sky Guide6.4No—iOS, Mac
14UNISTELLAR App6.4No—Android, iOS
15Star Chart6.1Free planFreeAndroid, iOS, Mac, Windows
16Gaia Sky6.0Free planFreeLinux, Mac, Windows
17Heavens-Above6.0No—Web, iOS, Android
18KStars6.0Free planFreeLinux, Mac, Windows
19SkyORB6.0No—Windows, Mac, iOS
20SkyPortal6.0No—iOS, Android
21SpaceEngine6.0No—Windows
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Questions about Cosmic Watch alternatives

What is the best alternative to Cosmic Watch?

Solar System Scope, number 1 in astronomy apps with a score of 7.5 out of 10. The others here: Celestia, NASA Eyes, Night Sky and 16 more.

What is the best free alternative to Cosmic Watch?

Solar System Scope is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.