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Best Astronomy Tools Apps

199+ iOS apps curated and reviewed

4.6 avg rating
17 free apps
Updated July 2026

Every iPhone needs a few good astronomy tools apps. We benchmark 199+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Astronomy Tools

SkyView® Lite#1

SkyView® Lite by Terminal Eleven LLC

Explore the Universe
Editor's Choice
📚 Education
4.5😊(18K ratings)
FreeAdsIn-App Purchases
#62in Education
SkyView® Lite screenshot 1
SkyView® Lite screenshot 2
SkyView® Lite screenshot 3
SkyView® Lite screenshot 4

Identify stars, constellations, satellites, and more by simply pointing your device at the sky. This augmented reality app makes stargazing accessible to everyone, day or night. Explore celestial paths and even travel through time to view the sky on different dates.

What We Love

  • 🌟 Accurate star and planet tracking
  • 👍 Easy to use and navigate
  • 🔭 Helpful for learning about the night sky
  • 💫 Engaging and educational for all ages

Room to Improve

  • 🐛 Compass/location issues causing inaccurate positioning
  • 🔍 Limited free features, many paid upgrades
  • 🤔 Confusing for some users to understand how it works
Sky Guide#2

Sky Guide by Fifth Star Labs LLC

Star gaze constellation finder
Strong Contender
🔍 Reference
4.8😊(26K ratings)
FreeIn-App Purchases
#14in Reference
Sky Guide screenshot 1
Sky Guide screenshot 2
Sky Guide screenshot 3
Sky Guide screenshot 4
Sky Guide screenshot 5
Sky Guide screenshot 6

Identify stars, constellations, planets, and satellites in real-time by holding your device overhead. Explore celestial bodies with AR overlays, track satellites like the ISS, and travel through time to view past and future astronomical events. Perfect for both novice and experienced stargazers.

What We Love

  • 🌟 Stunning visuals and graphics
  • 📚 Wealth of information on celestial objects
  • 🧭 Accurate and responsive compass/AR features
  • 🌌 Immersive stargazing experience

Room to Improve

  • 🧭 Occasional compass/location calibration issues
  • 💰 Subscription model limits access to some features
  • 🌍 Lack of support for certain regions/locations
Light Pollution Map - Dark Sky#3

Light Pollution Map - Dark Sky by Dunbar Technology, LLC

Astronomy tools & more
Worth Considering
☀️ Weather
4.7😞(81 ratings)
FreeIn-App Purchases
Light Pollution Map - Dark Sky screenshot 1
Light Pollution Map - Dark Sky screenshot 2
Light Pollution Map - Dark Sky screenshot 3
Light Pollution Map - Dark Sky screenshot 4
Light Pollution Map - Dark Sky screenshot 5
Light Pollution Map - Dark Sky screenshot 6

Discover optimal locations for stargazing and astrophotography with a detailed light pollution map. Get real-time alerts for celestial events like meteor showers and auroras, track the ISS, and access daily astronomy photos. Enhance your night sky observations with comprehensive tools and information.

What We Love

  • 👍 Clear detailed satellite views
  • 🚀 Works with barely any signal
  • 📊 Useful map with latest data
  • 🌌 Helps with astrophotography

Room to Improve

  • 🐛 Crashes on opening the map
  • 🐛 Crashes after locating user's position
  • 🔍 No legend for map colors

More Astronomy Tools apps to explore

4
Deluxe Moon Pro • App & Widget
Deluxe Moon Pro • App & Widget
Deluxe Moon Pro • App & Widget
Phase calendar,tracker & notes
Free

This app provides comprehensive real-time and reference information about the Moon, including phases, rise/set times, and astrological data. It also tracks the Sun and offers cultural insights into lunar cycles for planning activities and understanding its influence.

Moon phases calendar with iCal integrationReal-time moon parametersMoonrise and moonset times
☀️ Weather
(7.3K)
free with in-app purchases
5
SkySafari 7 Pro
SkySafari 7 Pro
SkySafari 7 Pro
Astronomy Guide To Night Sky
$9.99
$29.99 | 67% OFF

Explore the night sky with an extensive astronomy database and advanced planning tools. Discover astronomical events, control your telescope, and connect with other stargazers in real-time.

Extensive celestial object databaseAdvanced event finderTelescope control (ASCOM Alpaca, INDI, StarSense)
🔍 Reference
(4.9K)
free with in-app purchases
6
Astronomy Observer
Astronomy Observer
Astronomy Observer
AR Sky Guide of Star Gazer
Free

This app helps astronomical observers plan their viewing sessions by calculating and displaying the positions of celestial bodies. It offers AR views, a catalog of stars and deep sky objects, and an astronomical event calendar. Premium features include ad-free viewing and access to a year of ephemeris data.

AR celestial body positioningDaily sun-moon position and planet rise/setCatalog of stars, planets, and deep sky objects
🔍 Reference
(25)
free with in-app purchases
7
Star Walk 2 Plus: Live Sky Map
Star Walk 2 Plus: Live Sky Map
Star Walk 2 Plus: Live Sky Map
Your Free Path to the Stars
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.

Real-time sky map3D constellation modelsTime machine feature
📚 Education
(93K)
free with in-app purchases
8
SkyORB Classic Astronomy
SkyORB Classic Astronomy
SkyORB Classic Astronomy
3D Planetarium Stargazing News
Free

Explore the cosmos with a 3D planetarium and real-time celestial event tracking. Identify stars and planets using your device's sensors and AR, and receive notifications for upcoming astronomical phenomena. Access detailed information and simulations from any location.

3D star map and planetariumReal-time planet orbitsAR night sky identification
📚 Education
(23)
freemium
9
Astronomy & Space News
Astronomy & Space News
Astronomy & Space News
Latest NASA, Astrobiology News
Free

Stay updated with the latest astronomy and space exploration news. Discover exoplanet findings, astrobiology advancements, and the search for extraterrestrial life. Enjoy stunning space photos and educational videos from leading space agencies.

Latest astronomy newsSpace exploration updatesExoplanet discovery
📡 News
(2.7K)
free with in-app purchases
10
Astroweather - astronomy tools
Astroweather - astronomy tools
Astroweather - astronomy tools
Toolkit for stargazing
Free

This app provides specialized weather forecasts for astronomical observation. It includes astronomical event predictions, light pollution maps, and satellite imagery. Users can also track rise and set times for celestial bodies.

Astronomical weather forecastsSunset/sunrise and moonrise/moonset displayAstronomical event forecast
☀️ Weather
(8)
free with in-app purchases
11
Star Gazer: Sky Map& Astronomy
Star Gazer: Sky Map& Astronomy
Star Gazer: Sky Map& Astronomy
Stars, Moon & Constellation.s
Free

Explore the cosmos by pointing your device at the sky. Discover stars, planets, and constellations with interactive 3D views and augmented reality. Learn fascinating facts about space and celestial bodies.

Interactive 3D celestial object viewsAugmented reality sky explorationIdentify stars, planets, and constellations
📚 Education
(6.8K)
subscription
12
APOD — Astronomy Picture
APOD — Astronomy Picture
APOD — Astronomy Picture
Astronomy Picture of the Day
Free

Access NASA's daily astronomy images and explanations from professional astronomers. Explore stunning visuals of the universe, save your favorites, and share them with others.

Daily NASA astronomy picturesBrief explanations by astronomersAccess to the entire collection
🎬 Entertainment
(1.2K)
free with in-app purchases
13
StarMap 3D+ Plus
StarMap 3D+ Plus
StarMap 3D+ Plus
Star Map, Constellation Finder
$2.99

Explore the cosmos with a portable star atlas. Identify planets, constellations, and deep sky objects using your device's sensors. Features detailed information and 3D visualizations for both beginners and advanced astronomers.

Real-time satellite tracking (ISS, Hubble)Extensive star and deep sky object databaseDetailed constellation information and lines
📚 Education
(6.7K)
free with in-app purchases
14
Sky Academy: Learn Astronomy
Sky Academy: Learn Astronomy
Sky Academy: Learn Astronomy
Learn constellations and stars
Free

Learn about constellations, stars, and deep sky objects through interactive levels and quizzes. Features realistic sky simulations, customizable learning paths, and offline access. Gamified approach makes astronomy engaging and accessible.

Learn 88 constellations, 150+ stars, 110 Deep Sky Objects123+ levels for constellations, stars, and DSOsCustomizable learning lists
📚 Education
(155)
free with in-app purchases
15
Classic Sky Map 2
Classic Sky Map 2
Classic Sky Map 2
Astronomy made easy.
Free

Explore the cosmos with an intuitive and beautiful sky map. Easily identify stars, planets, and constellations by simply pointing your device at the sky. Track celestial events and understand astronomical movements with time-lapse features.

Live sky trackingInteractive earth mapTime-lapse sky simulation
📚 Education
(8.9K)
free with in-app purchases
16
APOD Astronomy Pics and Widget
APOD Astronomy Pics and Widget
APOD Astronomy Pics and Widget
Astronomy Picture of the Day
Free

Access NASA's Astronomy Picture of the Day with customizable widgets. View today's, random, or favorite images, and browse past APODs. Share your discoveries with ease.

Today WidgetRandom WidgetFavorites Widget
📷 Photo & Video
(259)
free with in-app purchases
17
Planets
Planets
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.

3D solar system guide2D sky view3D planetarium sky view
🔧 Utilities
(899)
free
18
Stellarium Mobile - Star Map
Stellarium Mobile - Star Map
Stellarium Mobile - Star Map
Watch night sky, find stars
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.

Real-time sky simulationIdentify stars, planets, satellitesConstellation shapes and illustrations
📚 Education
(36K)
free with in-app purchases
19
Star Chart
Star Chart
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.

Augmented reality sky identification3D simulation of the visible universeReal-time celestial object tracking
📚 Education
(25K)
free with in-app purchases
20
SkyView®
SkyView®
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.

Identify stars, planets, and satellites with ARDiscover all 88 constellationsSchedule alerts for celestial events
📚 Education
(7.5K)
free

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