Best Night Sky Alternatives in 2026
Updated
20 apps from astronomy apps ranked against Night Sky on the same published basis.
- 1Night Sky vs NASA Eyes
- 2Night Sky vs Celestia
- 3Night Sky vs Solar System Scope
- 4Night Sky vs Cosmic Watch
- 6Night Sky vs Star Chart
- 7Night Sky vs Star Chart
- 8Night Sky vs DWARFLAB App
- 9Night Sky vs Gaia Sky
- 10Night Sky vs KStars
- 11Night Sky vs Star Walk 2
- 12Night Sky vs Spacecraft AR
- 13Night Sky vs squishyplanet
- 14Night Sky vs WorldWide Telescope
- 15Night Sky vs BXA
- 16Night Sky vs Seestar App
- 17Night Sky vs Luminos Pro
- 18Night Sky vs Sky Guide
- 19Night Sky vs UNISTELLAR App
- 20Night Sky vs Aladin Desktop
- 21Night Sky vs Halotools
Night Sky 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 |
| 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 | DWARFLAB App | 6.5 | Free plan | Free | Android, iOS |
| 9 | Gaia Sky | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 10 | KStars | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 11 | Star Walk 2 | 6.5 | Free plan | $0.50/mo | Android, iOS |
| 12 | Spacecraft AR | 6.4 | Free plan | Free | Android, iOS |
| 13 | squishyplanet | 6.4 | Free plan | Free | Linux, Windows |
| 14 | WorldWide Telescope | 6.4 | Free plan | Free | API, Web, Windows |
| 15 | BXA | 6.3 | Free plan | Free | Linux |
| 16 | Seestar App | 5.7 | No | — | Android, iOS, Mac, Windows |
| 17 | Luminos Pro | 5.5 | No | $3/mo | iOS, Mac |
| 18 | Sky Guide | 5.5 | No | — | iOS, Mac |
| 19 | UNISTELLAR App | 5.5 | No | — | Android, iOS |
| 20 | Aladin Desktop | 5.3 | No | — | Windows, Mac, Linux |
| 21 | Halotools | 5.3 | No | — | Linux |
Make your app an alternative to Night Sky
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Night Sky alternatives
What is the best alternative to Night Sky?
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 Night Sky?
NASA Eyes is the best-ranked alternative with a free plan. 14 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.