Best Cosmic Watch Alternatives in 2026
Updated
20 tools from astronomy apps ranked against Cosmic Watch on the same published basis.
- 1Cosmic Watch vs Celestia
- 2Cosmic Watch vs NASA Eyes
- 3Cosmic Watch vs Solar System Scope
- 5Cosmic Watch vs Star Chart
- 6Cosmic Watch vs Night Sky
- 7Cosmic Watch vs Seestar App
- 8Cosmic Watch vs SkySafari
- 9Cosmic Watch vs DWARFLAB App
- 10Cosmic Watch vs Luminos Pro
- 11Cosmic Watch vs BXA
- 12Cosmic Watch vs Sky Guide
- 13Cosmic Watch vs squishyplanet
- 14Cosmic Watch vs UNISTELLAR App
- 15Cosmic Watch vs Star Chart
- 16Cosmic Watch vs Gaia Sky
- 17Cosmic Watch vs Halotools
- 18Cosmic Watch vs SpaceEngine
- 19Cosmic Watch vs Heavens-Above
- 20Cosmic Watch vs KStars
- 21Cosmic Watch vs SkyORB
Cosmic Watch 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 |
| 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 | Sky Guide | 6.7 | No | — | iOS, Mac |
| 13 | squishyplanet | 6.7 | Free plan | Free | Linux, Windows |
| 14 | UNISTELLAR App | 6.7 | No | — | Android, iOS |
| 15 | Star Chart | 6.4 | No | — | Windows, Mac, iOS, Android |
| 16 | Gaia Sky | 6.2 | No | — | Windows, Mac, Linux |
| 17 | Halotools | 6.2 | No | — | Linux |
| 18 | SpaceEngine | 6.2 | No | — | Windows |
| 19 | Heavens-Above | 6.1 | No | — | Web, iOS, Android |
| 20 | KStars | 6.1 | No | — | Windows, Mac, Linux |
| 21 | SkyORB | 6.1 | No | — | Windows, Mac, iOS |
Make your tool an alternative to Cosmic Watch
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Cosmic Watch alternatives
What is the best alternative to Cosmic Watch?
Celestia, number 1 in astronomy apps with a score of 7.7 out of 10. The others here: NASA Eyes, Solar System Scope, Star Chart and 16 more.
What is the best free alternative to Cosmic Watch?
Celestia is the best-ranked alternative with a free plan. 8 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.