Heavens-Above vs UNISTELLAR App
| Heavens-Above | UNISTELLAR App | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, iOS, Web | Android, iOS |
| Free plan | Yes | Yes |
| Offline access | Yes | Yes |
| Platform coverage | cross-platform | mobile |
| Mission tracking | Yes | Yes |
| Telescope control | — | Yes |
| Learning content | — | Yes |
Both are listed in Best Astronomy Apps. On Samsung Mobile US Press, UNISTELLAR App scores higher on our published basis.