Best Astronomy Apps

NASA

by NASA

Free

Explore the universe with access to live and on-demand NASA+ videos, a vast collection of stunning images, and the latest mission news. Discover interactive augmented reality experiences and track the International Space Station's path.

Stellarium Mobile - Star Map

Stargazing & planet finder

Free

Explore the night sky with a real-time planetarium. Identify stars, planets, constellations, and satellites by simply pointing your phone. Offers detailed astronomical data and cultural constellation interpretations.

Sky Tonight - Stargazing Guide

Star Constellation Finder App

Free

Explore the night sky with this astronomy app. Identify celestial objects, discover upcoming astronomical events, and track their positions. Customize your view, set reminders, and access detailed information for a personalized stargazing experience.

Planets

by Q Continuum

Free

Explore the solar system with a 3D guide. Discover planets, moons, and celestial events with interactive sky views and visibility information. Perfect for budding astronomers.

Cosmology

Astronomy - Space Education

Free

Explore the universe with stunning high-resolution images of celestial bodies. Journey through space, visiting planets and their moons, while learning about the evolution of space, time, and matter. Ponder the profound mysteries of existence.

SkyView®

Explore the Universe

$2.99

Identify stars, constellations, planets, and satellites by simply pointing your device at the sky. This app uses augmented reality to guide you and provides information on celestial objects, upcoming events, and even allows you to travel through time to view the sky on different dates.

Star Walk 2 Plus: Live Sky Map

Astronomy Guide for Stargazing

Free

Explore the cosmos with a real-time sky map. Point your device to identify stars, planets, and constellations. Discover celestial events and learn about the universe with detailed information and 3D models.

Star Walk：Find Stars & Planets

Night Sky Guide - Star Map AR

Free

Explore the night sky with an interactive guide that identifies stars, planets, and constellations in real-time using augmented reality. Discover over 200,000 celestial bodies with detailed information and track astronomical events.

Astrophotographer’s Universe

Deep Sky Encyclopedia

Free

Explore the night sky and discover detailed information on celestial objects for astrophotography. This guide helps you plan your imaging sessions with data on framing, visibility, and high-resolution images. An in-app purchase unlocks over 1,700 targets.

Space.com: Space News

Your guide to the galaxy

Free

Stay updated with the latest in space exploration, astronomy, and science fiction. Get exclusive launch coverage, stunning photos, expert guides, and personalized news feeds. Save articles for later and enjoy a seamless mobile reading experience.

Star Chart

by ESCAPE VELOCITY LIMITED

Free

Explore the cosmos with this augmented reality astronomy app. Point your device at the sky to identify stars, planets, and constellations in real-time. Discover celestial bodies and their positions, even traveling through time to view the universe's past and future.

Space Station Tracker

Track the ISS and see flyovers

Free

Follow the International Space Station's live location on a globe and get alerts for visible flyovers at your exact location. Features a compass view to help you spot it in the sky.

Sera: Astronomy, Space & Moon

NASA stories, stars & planets

Free

Master the universe with daily, bite-sized lessons on astronomy and space. Explore a 3D solar system, get AI-summarized NASA news, and plan your astrophotography with field tools. Designed for quick learning and preserving night vision.

AstroGuide - Astrophotography

better plans for astro imaging

Free

Plan your astrophotography sessions with detailed insights into weather, moonlight, and sky conditions. Optimize your observing time and learn from past sessions to improve your imaging.

Sky Map: Stars & Planets

Stargazing AR Finder & Tracker

Free

Identify stars, planets, constellations, and satellites by simply pointing your phone at the night sky. Features guided object finding, satellite pass predictions, aurora forecasts, and an AI astronomer for personalized answers. Includes time travel and an observation journal.

AstroFinder

Telescope pointing solved

Free

Transform your iPhone into a telescope finder without motors or alignment stars. It identifies star patterns in real-time, displaying your aim on a red-on-black chart with a guiding arrow. Find planets, deep sky objects, and more, all while running offline.

NAPA - Star Map

by National Astronomical Research Institute of Thailand (Public Organization)

Free

Explore the night sky with this astronomy and planetarium app. Identify stars, constellations, and planets by pointing your device at the sky. Plan future observations by adjusting the time and date.