Best Stellarium Alternatives in 2026
Updated
20 tools from astronomy apps ranked against Stellarium on the same published basis.
- 1Stellarium vs Celestia
- 2Stellarium vs NASA Eyes
- 3Stellarium vs Solar System Scope
- 4Stellarium vs Cosmic Watch
- 5Stellarium vs Star Chart
- 6Stellarium vs Night Sky
- 7Stellarium vs Seestar App
- 8Stellarium vs SkySafari
- 9Stellarium vs DWARFLAB App
- 10Stellarium vs Luminos Pro
- 11Stellarium vs BXA
- 12Stellarium vs squishyplanet
- 13Stellarium vs UNISTELLAR App
- 14Stellarium vs Star Chart
- 15Stellarium vs Gaia Sky
- 16Stellarium vs Halotools
- 17Stellarium vs SpaceEngine
- 18Stellarium vs Heavens-Above
- 19Stellarium vs KStars
- 20Stellarium vs Sky Guide
Stellarium alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Celestia | 7.7 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 2 | NASA Eyes | 7.7 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 3 | Solar System Scope | 7.7 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 4 | Cosmic Watch | 7.5 | Free plan | $0.42/mo | Android, iOS, Mac |
| 5 | Star Chart | 7.4 | Free plan | Free | Android, iOS, Mac, Windows |
| 6 | Night Sky | 7.3 | Free plan | Free | Android, iOS, Mac |
| 7 | Seestar App | 7.2 | No | — | Android, iOS, Mac, Windows |
| 8 | SkySafari | 7.2 | No | — | Android, iOS, Mac, Web |
| 9 | DWARFLAB App | 7.1 | Free plan | Free | Android, iOS |
| 10 | Luminos Pro | 7.1 | No | $3/mo | iOS, Mac |
| 11 | BXA | 6.7 | Free plan | Free | Linux |
| 12 | squishyplanet | 6.7 | Free plan | Free | Linux, Windows |
| 13 | UNISTELLAR App | 6.7 | No | — | Android, iOS |
| 14 | Star Chart | 6.4 | No | — | Windows, Mac, iOS, Android |
| 15 | Gaia Sky | 6.2 | No | — | Windows, Mac, Linux |
| 16 | Halotools | 6.2 | No | — | Linux |
| 17 | SpaceEngine | 6.2 | No | — | Windows |
| 18 | Heavens-Above | 6.1 | No | — | Web, iOS, Android |
| 19 | KStars | 6.1 | No | — | Windows, Mac, Linux |
| 20 | Sky Guide | 6.1 | No | — | iOS, Mac |
Make your tool an alternative to Stellarium
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Stellarium alternatives
What is the best alternative to Stellarium?
Celestia, number 1 in astronomy apps with a score of 7.7 out of 10. The others here: NASA Eyes, Solar System Scope, Cosmic Watch and 16 more.
What is the best free alternative to Stellarium?
Celestia is the best-ranked alternative with a free plan. 9 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.