18.0
Solar System Scope models the Solar System, night sky, and outer space, showing celestial object positions and related information.
Free planAndroidiOSWeb
Best Astronomy Apps in 2026
Astronomy apps can support different ways of exploring the sky, from viewing celestial objects to learning about them or following missions. Compare catalog size and AR sky view with learning content and offline access, then consider platform coverage for the devices you use. Mission tracking and telescope control may also be important depending on how you observe. Free plan availability and paid-from pricing offer…
27.8
NASA Eyes is a free set of interactive 3D applications for exploring NASA data and imagery in a web browser.
Free planOpen sourceAndroidiOSWeb
37.7
SkyORB is an astronomy app for exploring the sky, Solar System, and celestial events.
Free planAndroidiOSmacOS
- 4
ISS Detector
ISS Detector helps people find visible International Space Station passes and satellite pass predictions for their location.
Free planAndroidiOSWebmacOS7.3$17.99 one-time - 5
Cosmic Watch
Cosmic Watch is a 3D planetarium, sky guide, and clock that renders real-time graphics of Earth and the sky.
Free planAndroidiOSmacOS7.2From $4.99 a year - 6
Gaia Sky
Gaia Sky is a free desktop platform for exploring the Universe in real-time 3D using scientific datasets.
Free planOpen sourceAPILinuxmacOSSelf-hosted7.2Free plan - 7
Heavens-Above
Heavens-Above provides predictions and sky information for observing satellites and other objects.
Free planAndroidiOSWeb7.2$4.99 one-time - 8
Star Walk 2
Star Walk 2 is a stargazing app for interactively exploring a sky map and identifying objects.
Free planAndroidiOS7.0From $5.99 a year - 9
SkySafari
SkySafari is a mobile planetarium that identifies objects in the sky and provides information about them.
AndroidiOSWebmacOS6.8$2.99 one-time - 10
Celestia
Celestia is a free, open-source 3D space visualization that lets users explore objects from planets and moons to star clusters and galaxies.
Free planAndroidiOSWebLinux6.7Free plan - 11
Night Sky
Night Sky is a personal planetarium app that identifies stars, planets, satellites, and constellations when users point a device at the sky.
Free planAndroidiOSmacOS6.6Free plan - 12
Star Chart
Star Chart is an astronomy app that uses GPS and a 3D universe model to identify what is visible when you point a device at the sky.
Free planAndroidiOSmacOSWindows6.6Free plan - 13
Star Chart
Star Chart is an astronomy and stargazing app for identifying the night sky and exploring the solar system.
Free planAndroidiOSmacOSWindows6.5Free plan - 14
Luminos Pro
Luminos Pro is a mobile astronomy app for exploring the sky and controlling telescopes, available on iOS and macOS.
iOSmacOS6.4From $3 a month - 15
Seestar App
Seestar App is a companion app for controlling Seestar telescopes and planning astronomical observation.
AndroidiOSmacOSWindows6.4 - 16
Stellarium
Stellarium is a free, open-source planetarium for computers that renders the sky in 3D.
Free planWebLinuxmacOSWindows6.4Free plan - 17
DWARFLAB App
DWARFLAB App wirelessly connects to and controls DWARFLAB smart telescopes from Android and iOS devices.
Free planAndroidiOS6.3Free plan - 18
Singularity
Singularity is Vaonis’s free mobile app for controlling its Stellina, Vespera and Hyperia telescopes.
Free planAndroidiOS6.3Free plan - 19
SkyPortal
SkyPortal is a free planetarium and telescope-control app for Android and iOS, developed with the SkySafari app developers.
Free planAndroidiOS6.3Free plan - 20
SkyView
AndroidiOS6.3$2.99 one-time - 21
Spacecraft AR
Spacecraft AR is a free augmented reality app from NASA’s Jet Propulsion Laboratory for learning about spacecraft and their missions.
Free planAndroidiOS6.3Free plan - 22
Spot the Station
Spot the Station is NASA’s free mobile app for tracking International Space Station viewing opportunities.
Free planAndroidiOS6.2Free plan - 23
Starmap
Starmap is a free astronomy reference app for visual observers and field use on iOS and macOS.
Free planiOSmacOS6.2Free plan - 24
Aladin Desktop
Aladin Desktop is software for exploring digitized astronomical images, surveys, and catalogue data.
Free planLinuxmacOSWindows6.1Free plan - 25
KStars
Free planLinuxmacOSWindows6.1Free plan