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Best Universe Sandbox Alternatives in 2026

Updated

20 apps from astronomy apps ranked against Universe Sandbox on the same published basis.

  1. 1
    NASA Eyes Free plan AndroidiOSLinuxMacWeb Free6.8
    Universe Sandbox vs NASA Eyes
  2. 2
    Celestia Free plan AndroidiOSLinuxMacWeb Free6.7
    Universe Sandbox vs Celestia
  3. 3
    SkyORB Free plan AndroidiOSMacWin Free6.7
    Universe Sandbox vs SkyORB
  4. 4
    Solar System Scope Free plan AndroidiOSMacWebWin Free6.7
    Universe Sandbox vs Solar System Scope
  5. 5
    Cosmic Watch Free plan AndroidiOSMac $0.42/mo6.6
    Universe Sandbox vs Cosmic Watch
  6. 6
    Star Chart Free plan AndroidiOSMacWin Free6.6
    Universe Sandbox vs Star Chart
  7. 7
    Star Chart Free plan AndroidiOSMacWin Free6.6
    Universe Sandbox vs Star Chart
  8. 8
    Stellarium Free plan LinuxMacWebWin Free6.6
    Universe Sandbox vs Stellarium
  9. 9
    Aladin Desktop Free plan LinuxMacWin Free6.5
    Universe Sandbox vs Aladin Desktop
  10. 10
    Gaia Sky Free plan LinuxMacWin Free6.5
    Universe Sandbox vs Gaia Sky
  11. 11
    Heavens-Above Free plan AndroidiOSWeb Free6.5
    Universe Sandbox vs Heavens-Above
  12. 12
    KStars Free plan LinuxMacWin Free6.5
    Universe Sandbox vs KStars
  13. 13
    Night Sky Free plan AndroidiOSMac Free6.5
    Universe Sandbox vs Night Sky
  14. 14
    Star Walk 2 Free plan AndroidiOS $0.50/mo6.5
    Universe Sandbox vs Star Walk 2
  15. 15
    DWARFLAB App Free plan AndroidiOS Free6.4
    Universe Sandbox vs DWARFLAB App
  16. 16
    OpenSpace Free plan LinuxWin Free6.4
    Universe Sandbox vs OpenSpace
  17. 17
    Singularity Free plan AndroidiOS Free6.4
    Universe Sandbox vs Singularity
  18. 18
    SkyPortal Free plan AndroidiOS Free6.4
    Universe Sandbox vs SkyPortal
  19. 19
    Spacecraft AR Free plan AndroidiOS Free6.4
    Universe Sandbox vs Spacecraft AR
  20. 20
    Spot the Station Free plan AndroidiOS Free6.4
    Universe Sandbox vs Spot the Station

Universe Sandbox alternatives compared

#AppScoreFree planFromRuns on
1NASA Eyes6.8Free planFreeAndroid, iOS, Linux, Mac, Web, Windows
2Celestia6.7Free planFreeAndroid, iOS, Linux, Mac, Web, Windows
3SkyORB6.7Free planFreeAndroid, iOS, Mac, Windows
4Solar System Scope6.7Free planFreeAndroid, iOS, Mac, Web, Windows
5Cosmic Watch6.6Free plan$0.42/moAndroid, iOS, Mac
6Star Chart6.6Free planFreeAndroid, iOS, Mac, Windows
7Star Chart6.6Free planFreeAndroid, iOS, Mac, Windows
8Stellarium6.6Free planFreeLinux, Mac, Web, Windows
9Aladin Desktop6.5Free planFreeLinux, Mac, Windows
10Gaia Sky6.5Free planFreeLinux, Mac, Windows
11Heavens-Above6.5Free planFreeAndroid, iOS, Web
12KStars6.5Free planFreeLinux, Mac, Windows
13Night Sky6.5Free planFreeAndroid, iOS, Mac
14Star Walk 26.5Free plan$0.50/moAndroid, iOS
15DWARFLAB App6.4Free planFreeAndroid, iOS
16OpenSpace6.4Free planFreeLinux, Windows
17Singularity6.4Free planFreeAndroid, iOS
18SkyPortal6.4Free planFreeAndroid, iOS
19Spacecraft AR6.4Free planFreeAndroid, iOS
20Spot the Station6.4Free planFreeAndroid, iOS
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Questions about Universe Sandbox alternatives

What is the best alternative to Universe Sandbox?

NASA Eyes, number 1 in astronomy apps with a score of 6.8 out of 10. The others here: Celestia, SkyORB, Solar System Scope and 16 more.

What is the best free alternative to Universe Sandbox?

NASA Eyes is the best-ranked alternative with a free plan. 20 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.