Best Star Walk 2 Alternatives in 2026
Updated
20 apps from astronomy apps ranked against Star Walk 2 on the same published basis.
- 1Star Walk 2 vs NASA Eyes
- 2Star Walk 2 vs Celestia
- 3Star Walk 2 vs Solar System Scope
- 4Star Walk 2 vs Cosmic Watch
- 5Star Walk 2 vs Night Sky
- 6Star Walk 2 vs Star Chart
- 7Star Walk 2 vs Star Chart
- 8Star Walk 2 vs DWARFLAB App
- 9Star Walk 2 vs Gaia Sky
- 10Star Walk 2 vs KStars
- 12Star Walk 2 vs Spacecraft AR
- 13Star Walk 2 vs squishyplanet
- 14Star Walk 2 vs WorldWide Telescope
- 15Star Walk 2 vs BXA
- 16Star Walk 2 vs Seestar App
- 17Star Walk 2 vs Luminos Pro
- 18Star Walk 2 vs Sky Guide
- 19Star Walk 2 vs UNISTELLAR App
- 20Star Walk 2 vs Aladin Desktop
- 21Star Walk 2 vs Halotools
Star Walk 2 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 | 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 |
| 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 |
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Questions about Star Walk 2 alternatives
What is the best alternative to Star Walk 2?
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 Star Walk 2?
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.