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
0free plans on this page
8 Oct 2026last checked
Astronomy Apps, ranked on how quickly a newcomer can get going. 0 of the 9 on this page can be tried for free.
- 26 Aladin Desktop
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 27 Halotools
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 28 Singularity
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 29 Spot the Station
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 30 Starmap
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 31 ISS Detector
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 32 OpenSpace
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 33 SkyView
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 34 Universe Sandbox
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
Compare all 9 in a table
| # | Platform | Score | Free plan | Free plan | Paid from | Offline access | Platform coverage |
|---|---|---|---|---|---|---|---|
| 26 | Aladin Desktop | 5.9 | No | Yes | — | — | desktop |
| 27 | Halotools | 5.9 | No | Yes | — | — | — |
| 28 | Singularity | 5.9 | No | Yes | — | No | mobile |
| 29 | Spot the Station | 5.9 | No | Yes | — | Yes | mobile |
| 30 | Starmap | 5.9 | No | Yes | — | Yes | mobile |
| 31 | ISS Detector | 5.8 | No | Yes | — | — | cross-platform |
| 32 | OpenSpace | 5.8 | No | Yes | — | — | cross-platform |
| 33 | SkyView | 5.7 | No | No | — | Yes | mobile |
| 34 | Universe Sandbox | 5.7 | No | No | — | — | desktop |
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