Best Astronomy Apps in 2026
Updated
34 astronomy apps ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
34ranked
2free plans on this page
8 Oct 2026last checked
Input list Astronomy Apps 9 channels on this page · 32 of 72 spec lines stated by the makers
Ch Tool Free planPaid fromOffline accessPlatform coverageAR sky viewTelescope controlMission trackingCatalog size Spec sheet Score
26 Stellarium Free planYesPaid fromnot statedOffline accessYesPlatform coveragedesktopAR sky viewnot statedTelescope controlYesMission trackingYesCatalog sizenot stated 5/8spec lines stated 6.1
27 Aladin Desktop Free planYesPaid fromnot statedOffline accessnot statedPlatform coveragedesktopAR sky viewnot statedTelescope controlnot statedMission trackingnot statedCatalog sizenot stated 2/8spec lines stated 6.0
28 Singularity Free planYesPaid fromnot statedOffline accessNoPlatform coveragemobileAR sky viewnot statedTelescope controlYesMission trackingnot statedCatalog sizenot stated 4/8spec lines stated 6.0
29 Spot the Station Free planYesPaid fromnot statedOffline accessYesPlatform coveragemobileAR sky viewYesTelescope controlnot statedMission trackingnot statedCatalog sizenot stated 4/8spec lines stated 6.0
30 Starmap Free planYesPaid fromnot statedOffline accessYesPlatform coveragemobileAR sky viewnot statedTelescope controlNoMission trackingNoCatalog sizenot stated 5/8spec lines stated 6.0
31 Universe Sandbox Free planNoPaid fromnot statedOffline accessnot statedPlatform coveragedesktopAR sky viewnot statedTelescope controlnot statedMission trackingYesCatalog sizenot stated 3/8spec lines stated 6.0
32 ISS Detector Free planYesPaid fromnot statedOffline accessnot statedPlatform coveragecross-platformAR sky viewnot statedTelescope controlnot statedMission trackingnot statedCatalog sizenot stated 2/8spec lines stated 5.9
33 OpenSpace Free planYesPaid fromnot statedOffline accessnot statedPlatform coveragecross-platformAR sky viewnot statedTelescope controlnot statedMission trackingYesCatalog sizenot stated 3/8spec lines stated 5.9
34 SkyView Free planNoPaid fromnot statedOffline accessYesPlatform coveragemobileAR sky viewYesTelescope controlnot statedMission trackingnot statedCatalog sizenot stated 4/8spec lines stated 5.9
Compare all 9 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Offline access | Platform coverage |
|---|---|---|---|---|---|---|---|---|
| 26 | Stellarium | 6.1 | Free plan | Free | Yes | — | Yes | desktop |
| 27 | Aladin Desktop | 6.0 | No | — | Yes | — | — | desktop |
| 28 | Singularity | 6.0 | Free plan | Free | Yes | — | No | mobile |
| 29 | Spot the Station | 6.0 | No | — | Yes | — | Yes | mobile |
| 30 | Starmap | 6.0 | No | — | Yes | — | Yes | mobile |
| 31 | Universe Sandbox | 6.0 | No | — | No | — | — | desktop |
| 32 | ISS Detector | 5.9 | No | — | Yes | — | — | cross-platform |
| 33 | OpenSpace | 5.9 | No | — | Yes | — | — | cross-platform |
| 34 | SkyView | 5.9 | No | — | No | — | Yes | mobile |