Best Universe Sandbox Alternatives in 2026
Updated
20 apps from astronomy apps ranked against Universe Sandbox on the same published basis.
- 1Universe Sandbox vs NASA Eyes
- 2Universe Sandbox vs Solar System Scope
- 3Universe Sandbox vs Celestia
- 4Universe Sandbox vs Cosmic Watch
- 5Universe Sandbox vs Night Sky
- 6Universe Sandbox vs Star Chart
- 7Universe Sandbox vs Star Chart
- 8Universe Sandbox vs Stellarium
- 9Universe Sandbox vs Gaia Sky
- 10Universe Sandbox vs KStars
- 11Universe Sandbox vs DWARFLAB App
- 12Universe Sandbox vs Singularity
- 13Universe Sandbox vs Star Walk 2
- 14Universe Sandbox vs SkyPortal
- 15Universe Sandbox vs Spot the Station
- 16Universe Sandbox vs Starmap
- 17Universe Sandbox vs WorldWide Telescope
- 18Universe Sandbox vs Seestar App
- 19Universe Sandbox vs Spacecraft AR
- 20Universe Sandbox vs squishyplanet
Universe Sandbox alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | NASA Eyes | 7.5 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 2 | Solar System Scope | 7.5 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 3 | Celestia | 7.4 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 4 | Cosmic Watch | 7.3 | Free plan | $0.42/mo | Android, iOS, Mac |
| 5 | Night Sky | 7.2 | Free plan | Free | Android, iOS, Mac |
| 6 | Star Chart | 7.2 | Free plan | Free | Android, iOS, Mac, Windows |
| 7 | Star Chart | 7.2 | Free plan | Free | Android, iOS, Mac, Windows |
| 8 | Stellarium | 7.2 | Free plan | Free | Linux, Mac, Web, Windows |
| 9 | Gaia Sky | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 10 | KStars | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 11 | DWARFLAB App | 7.0 | Free plan | Free | Android, iOS |
| 12 | Singularity | 7.0 | Free plan | Free | Android, iOS |
| 13 | Star Walk 2 | 7.0 | Free plan | $0.50/mo | Android, iOS |
| 14 | SkyPortal | 6.9 | Free plan | Free | Android, iOS |
| 15 | Spot the Station | 6.9 | Free plan | Free | Android, iOS |
| 16 | Starmap | 6.9 | Free plan | Free | iOS, Mac |
| 17 | WorldWide Telescope | 6.9 | Free plan | Free | API, Web, Windows |
| 18 | Seestar App | 6.8 | No | — | Android, iOS, Mac, Windows |
| 19 | Spacecraft AR | 6.8 | Free plan | Free | Android, iOS |
| 20 | squishyplanet | 6.8 | Free plan | Free | Linux, Windows |
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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 7.5 out of 10. The others here: Solar System Scope, Celestia, Cosmic Watch and 16 more.
What is the best free alternative to Universe Sandbox?
NASA Eyes is the best-ranked alternative with a free plan. 19 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.