Best Star Chart Alternatives in 2026
Updated
20 apps from astronomy apps ranked against Star Chart on the same published basis.
- 1Star Chart vs Cosmic Watch
- 2Star Chart vs Night Sky
- 3Star Chart vs Solar System Scope
- 4Star Chart vs DWARFLAB App
- 5Star Chart vs NASA Eyes
- 7Star Chart vs Celestia
- 8Star Chart vs Seestar App
- 9Star Chart vs UNISTELLAR App
- 10Star Chart vs Luminos Pro
- 11Star Chart vs Sky Guide
- 12Star Chart vs SkySafari
- 13Star Chart vs SkyPortal
- 14Star Chart vs Star Walk 2
- 15Star Chart vs Heavens-Above
- 16Star Chart vs Singularity
- 17Star Chart vs SkyORB
- 18Star Chart vs Spot the Station
- 19Star Chart vs Star Chart
- 20Star Chart vs Starmap
- 21Star Chart vs ISS Detector
Star Chart alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Cosmic Watch | 7.9 | Free plan | $0.42/mo | Android, iOS, Mac |
| 2 | Night Sky | 7.9 | Free plan | Free | Android, iOS, Mac |
| 3 | Solar System Scope | 7.9 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 4 | DWARFLAB App | 7.8 | Free plan | Free | Android, iOS |
| 5 | NASA Eyes | 7.8 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 7 | Celestia | 7.7 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 8 | Seestar App | 7.4 | No | — | Android, iOS, Mac, Windows |
| 9 | UNISTELLAR App | 7.4 | No | — | Android, iOS |
| 10 | Luminos Pro | 7.3 | No | $3/mo | iOS, Mac |
| 11 | Sky Guide | 7.2 | No | — | iOS, Mac |
| 12 | SkySafari | 7.0 | No | — | Android, iOS, Mac, Web |
| 13 | SkyPortal | 6.9 | No | — | iOS, Android |
| 14 | Star Walk 2 | 6.9 | Free plan | $0.50/mo | Android, iOS |
| 15 | Heavens-Above | 6.8 | No | — | Web, iOS, Android |
| 16 | Singularity | 6.8 | No | — | iOS, Android |
| 17 | SkyORB | 6.8 | No | — | Windows, Mac, iOS |
| 18 | Spot the Station | 6.8 | No | — | iOS, Android |
| 19 | Star Chart | 6.8 | Free plan | Free | Android, iOS, Mac, Windows |
| 20 | Starmap | 6.8 | No | — | iOS, Mac |
| 21 | ISS Detector | 6.7 | No | — | Android, iOS, Mac |
Make your app an alternative to Star Chart
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Star Chart alternatives
What is the best alternative to Star Chart?
Cosmic Watch, number 1 in astronomy apps with a score of 7.9 out of 10. The others here: Night Sky, Solar System Scope, DWARFLAB App and 16 more.
What is the best free alternative to Star Chart?
Cosmic Watch 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.