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
5 Oct 2026last checked
Astronomy Apps, one module each. A lit port is something its maker publishes; 0 of the 9 on this page have a public API.
- 26 Starmap API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 27 Stellarium API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 28 WorldWide Telescope API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 29 Aladin Desktop API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 30 ISS Detector API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 31 OpenSpace API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 32 SkyView API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 33 Universe Sandbox API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 34 Spacecraft AR API not on recordOSS not on recordFREE not on recordDOCS 4.8
Compare all 9 in a table
| # | Platform | Score | Free plan | Free plan | Paid from | Offline access | Platform coverage |
|---|---|---|---|---|---|---|---|
| 26 | Starmap | 5.1 | No | Yes | — | Yes | mobile |
| 27 | Stellarium | 5.1 | No | Yes | — | Yes | desktop |
| 28 | WorldWide Telescope | 5.1 | No | Yes | — | No | cross-platform |
| 29 | Aladin Desktop | 5.0 | No | Yes | — | — | desktop |
| 30 | ISS Detector | 5.0 | No | Yes | — | — | cross-platform |
| 31 | OpenSpace | 5.0 | No | Yes | — | — | cross-platform |
| 32 | SkyView | 5.0 | No | No | — | Yes | mobile |
| 33 | Universe Sandbox | 5.0 | No | No | — | — | desktop |
| 34 | Spacecraft AR | 4.8 | No | Yes | — | — | — |