Best ISS Detector Alternatives in 2026
Updated
20 platforms from astronomy apps ranked against ISS Detector on the same published basis.
- 1ISS Detector vs Solar System Scope
- 2ISS Detector vs Cosmic Watch
- 3ISS Detector vs NASA Eyes
- 4ISS Detector vs Night Sky
- 5ISS Detector vs Star Chart
- 6ISS Detector vs Luminos Pro
- 7ISS Detector vs SkySafari
- 8ISS Detector vs Seestar App
- 9ISS Detector vs UNISTELLAR App
- 10ISS Detector vs Star Chart
- 11ISS Detector vs DWARFLAB App
- 12ISS Detector vs Gaia Sky
- 13ISS Detector vs Heavens-Above
- 14ISS Detector vs KStars
- 15ISS Detector vs Sky Guide
- 16ISS Detector vs SkyORB
- 17ISS Detector vs SkyPortal
- 18ISS Detector vs Star Walk 2
- 19ISS Detector vs Stellarium
- 20ISS Detector vs Aladin Desktop
ISS Detector alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Solar System Scope | 7.5 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 2 | Cosmic Watch | 7.4 | Free plan | $0.42/mo | Android, iOS, Mac |
| 3 | NASA Eyes | 7.3 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 4 | Night Sky | 7.3 | Free plan | Free | Android, iOS, Mac |
| 5 | Star Chart | 7.3 | Free plan | Free | Android, iOS, Mac, Windows |
| 6 | Luminos Pro | 7.1 | No | $3/mo | iOS, Mac |
| 7 | SkySafari | 7.0 | No | — | Android, iOS, Mac, Web |
| 8 | Seestar App | 6.8 | No | — | Android, iOS, Mac, Windows |
| 9 | UNISTELLAR App | 6.4 | No | — | Android, iOS |
| 10 | Star Chart | 6.1 | No | — | Windows, Mac, iOS, Android |
| 11 | DWARFLAB App | 6.0 | Free plan | Free | Android, iOS |
| 12 | Gaia Sky | 6.0 | No | — | Windows, Mac, Linux |
| 13 | Heavens-Above | 6.0 | No | — | Web, iOS, Android |
| 14 | KStars | 6.0 | No | — | Windows, Mac, Linux |
| 15 | Sky Guide | 6.0 | No | — | iOS, Mac |
| 16 | SkyORB | 6.0 | No | — | Windows, Mac, iOS |
| 17 | SkyPortal | 6.0 | No | — | iOS, Android |
| 18 | Star Walk 2 | 6.0 | No | — | iOS, Android |
| 19 | Stellarium | 6.0 | No | — | Windows, Mac, Linux |
| 20 | Aladin Desktop | 5.9 | No | — | Windows, Mac, Linux |
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Questions about ISS Detector alternatives
What is the best alternative to ISS Detector?
Solar System Scope, number 1 in astronomy apps with a score of 7.5 out of 10. The others here: Cosmic Watch, NASA Eyes, Night Sky and 16 more.
What is the best free alternative to ISS Detector?
Solar System Scope is the best-ranked alternative with a free plan. 6 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.