Halotools vs Heavens-Above
| Halotools | Heavens-Above | |
|---|---|---|
| Free plan | Yes | |
| Free trial | No | |
| Paid from | Free | |
| Platforms | Linux | Android, iOS, Web |
| Free plan | Yes | Yes |
| Offline access | Yes | |
| Platform coverage | cross-platform | |
| Mission tracking | Yes |
Listed together in Best Astronomy Apps