Best SpaceEngine Alternatives in 2026
Updated
20 apps from astronomy apps ranked against SpaceEngine on the same published basis.
- 1SpaceEngine vs NASA Eyes
- 2SpaceEngine vs Celestia
- 3SpaceEngine vs Solar System Scope
- 4SpaceEngine vs Cosmic Watch
- 5SpaceEngine vs Night Sky
- 6SpaceEngine vs Star Chart
- 7SpaceEngine vs Star Chart
- 8SpaceEngine vs Stellarium
- 9SpaceEngine vs DWARFLAB App
- 10SpaceEngine vs Gaia Sky
- 11SpaceEngine vs KStars
- 12SpaceEngine vs Singularity
- 13SpaceEngine vs Star Walk 2
- 14SpaceEngine vs SkyPortal
- 15SpaceEngine vs Spacecraft AR
- 16SpaceEngine vs Spot the Station
- 17SpaceEngine vs squishyplanet
- 18SpaceEngine vs Starmap
- 19SpaceEngine vs WorldWide Telescope
- 20SpaceEngine vs BXA
SpaceEngine alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | NASA Eyes | 6.8 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 2 | Celestia | 6.7 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 3 | Solar System Scope | 6.7 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 4 | Cosmic Watch | 6.6 | Free plan | $0.42/mo | Android, iOS, Mac |
| 5 | Night Sky | 6.6 | Free plan | Free | Android, iOS, Mac |
| 6 | Star Chart | 6.6 | Free plan | Free | Android, iOS, Mac, Windows |
| 7 | Star Chart | 6.6 | Free plan | Free | Android, iOS, Mac, Windows |
| 8 | Stellarium | 6.6 | Free plan | Free | Linux, Mac, Web, Windows |
| 9 | DWARFLAB App | 6.5 | Free plan | Free | Android, iOS |
| 10 | Gaia Sky | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 11 | KStars | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 12 | Singularity | 6.5 | Free plan | Free | Android, iOS |
| 13 | Star Walk 2 | 6.5 | Free plan | $0.50/mo | Android, iOS |
| 14 | SkyPortal | 6.4 | Free plan | Free | Android, iOS |
| 15 | Spacecraft AR | 6.4 | Free plan | Free | Android, iOS |
| 16 | Spot the Station | 6.4 | Free plan | Free | Android, iOS |
| 17 | squishyplanet | 6.4 | Free plan | Free | Linux, Windows |
| 18 | Starmap | 6.4 | Free plan | Free | iOS, Mac |
| 19 | WorldWide Telescope | 6.4 | Free plan | Free | API, Web, Windows |
| 20 | BXA | 6.3 | Free plan | Free | Linux |
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Questions about SpaceEngine alternatives
What is the best alternative to SpaceEngine?
NASA Eyes, number 1 in astronomy apps with a score of 6.8 out of 10. The others here: Celestia, Solar System Scope, Cosmic Watch and 16 more.
What is the best free alternative to SpaceEngine?
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.