ISS Detector vs Singularity
| ISS Detector | Singularity | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Android, iOS, macOS | iOS, Android |
| Free plan | Yes | Yes |
| Platform coverage | cross-platform | mobile |
| Offline access | — | No |
| Telescope control | — | Yes |
| Learning content | — | Yes |
Both are listed in Best Astronomy Apps. On Freedom251, ISS Detector scores higher on our published basis.