It suits people who want to explore NASA mission and Earth-science data through interactive visualizations.
Free plan Open source AndroidiPhone & iPadWebWindowsMacLinux+1
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Best Astronomy Apps 2026
Facts read 29 Sep 2026 – 15 Oct 2026
Astronomy apps can help with sky viewing, object catalogs, learning, mission tracking, or telescope control. Compare catalog size and platform coverage, then consider whether AR sky view and offline access suit how and where you observe. Learning content and mission tracking offer other ways to explore the subject, while telescope control may matter for your equipment setup. Cosmic Watch, Night Sky, and Solar System Scope are among the apps shown. Free-plan availability and paid-from pricing add cost context as you compare capabilities. Focus on the features that match your interests, from identifying objects to following missions.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 NASA Eyes | It suits people who want to explore NASA mission and Earth-science data through interactive visualizations. | 6.1 | Free plan | Free plan | Android, iPhone & iPad, Web, Windows | 15 Oct 2026 |
| 02 Solar System Scope | Solar System Scope suits people who want to explore celestial objects, view local night skies, or simulate skies from different times. | 6.1 | $9.80 one-time | Free plan | Android, iPhone & iPad, Web, Windows | 15 Oct 2026 |
| 03 Cosmic Watch | Cosmic Watch may suit stargazers, outdoor adventurers, clock fans, and people learning about the solar system and Earth cycles. | 5.6 | $4.99 a year | Free plan | Android, iPhone & iPad, Mac | 30 Sep 2026 |
| 04 SkyORB | SkyORB suits people interested in exploring the night sky, tracking satellites, and following astronomical events. | 5.6 | $4.99 one-time | Free plan | Android, iPhone & iPad, Windows, Mac | 9 Oct 2026 |
| 05 Star Walk 2 | Star Walk 2 may suit casual stargazers and people who want to learn about the cosmos while exploring a sky map. | 5.6 | $5.99 a year | Free plan | Android, iPhone & iPad | 7 Oct 2026 |
| 06 Celestia | Celestia may suit people who want to explore or visualize space across different platforms. | 5.4 | Free plan | Free plan | Android, iPhone & iPad, Web, Windows | 4 Oct 2026 |
| 07 ISS Detector | ISS Detector may suit people who want alerts and local details for visible ISS passes, with weather context before looking for a sighting. | 5.4 | $17.99 one-time | Free plan | Android, iPhone & iPad, Web, Mac | 11 Oct 2026 |
| 08 Gaia Sky | 5.1 | Free plan | Free plan | Windows, Mac, Linux, API | 15 Oct 2026 | |
| 09 Heavens-Above | Heavens-Above suits people looking for satellite pass predictions and sky charts. | 5.1 | $4.99 one-time | Free plan | Android, iPhone & iPad, Web | 9 Oct 2026 |
| 10 SkySafari | 5.0 | $2.99 one-time | Free trial | Android, iPhone & iPad, Web, Mac | 3 Oct 2026 |
02
Solar System Scope
Solar System Scope suits people who want to explore celestial objects, view local night skies, or simulate skies from different times.
AndroidiPhone & iPadWeb+2 Record6.1 Visit
03
Cosmic Watch
Cosmic Watch may suit stargazers, outdoor adventurers, clock fans, and people learning about the solar system and Earth cycles.
AndroidiPhone & iPadMac Record5.6 Visit
04
SkyORB
SkyORB suits people interested in exploring the night sky, tracking satellites, and following astronomical events.
AndroidiPhone & iPadWindows+1 Record5.6 Visit
05
Star Walk 2
Star Walk 2 may suit casual stargazers and people who want to learn about the cosmos while exploring a sky map.
AndroidiPhone & iPad Record5.6 Visit
6
Celestia
AndroidiPhone & iPadWeb+3 Free plan Record5.4 Visit Celestia may suit people who want to explore or visualize space across different platforms.
7
ISS Detector
AndroidiPhone & iPadWeb+1 $17.99 one-time Record5.4 Visit ISS Detector may suit people who want alerts and local details for visible ISS passes, with weather context before looking for a sighting.
9
Heavens-Above
AndroidiPhone & iPadWeb $4.99 one-time Record5.1 Visit Heavens-Above suits people looking for satellite pass predictions and sky charts.
12
Star Chart
AndroidiPhone & iPadWindows+1 Free plan Record5.0 Visit It suits curious children and amateur astronomers who want to identify or explore objects in the sky.
14
Night Sky
AndroidiPhone & iPadMac Free plan Record4.9 Visit Night Sky suits people who want to identify celestial objects and check local stargazing information.
18
DWARFLAB App
AndroidiPhone & iPad Free plan Record4.8 Visit It suits DWARFLAB telescope owners who want mobile telescope control alongside astrophotography, tracking, panorama, and time-lapse tools.
19
Singularity
AndroidiPhone & iPad Free plan Record4.8 Visit Singularity suits owners of Stellina, Vespera, or Hyperia who want to control telescope pointing, schedule observations, and organize images and observing plans.
23
SkyPortal
AndroidiPhone & iPad Free plan Record4.7 Visit SkyPortal suits people exploring the sky with an Android or iOS device, especially owners of compatible Celestron WiFi telescopes.
24
Spacecraft AR
AndroidiPhone & iPad Free plan Record4.6 Visit Spacecraft AR suits people who want to explore spacecraft models and mission information on a phone or tablet.
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