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Best Astronomy Alerts Apps

199+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated June 2026

With an average user rating of 4.5★, the astronomy alerts category is one of the App Store's strongest. Browse all 199+ apps we track, sorted so the most loved ones surface first.

Top Picks for Astronomy Alerts

Sky Guide#1

Sky Guide by Fifth Star Labs LLC

Star gaze constellation finder
Editor's Choice
🔍 Reference
4.8😊(26K ratings)
FreeIn-App Purchases
#9in Reference
Sky Guide screenshot 1
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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
Night Sky#2

Night Sky by iCandi Apps Ltd.

Guide to Stars,Comets,Meteors
Strong Contender
🔍 Reference
4.7😊(482K ratings)
FreeIn-App Purchases
#17in Reference
Night Sky screenshot 1
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Explore the cosmos with an AI-powered planetarium. Identify stars, planets, and satellites by pointing your device at the sky. Discover celestial objects in augmented reality and share your stargazing experiences with others.

What We Love

  • 🌟 Excellent app for stargazing and learning about the night sky
  • 🔭 Detailed information on celestial objects, satellites, and space events
  • 🌍 Accurate mapping of the sky to real-world locations
  • 🎨 Beautiful visuals and animations

Room to Improve

  • 💰 Frequent prompts to upgrade to premium subscription
  • 🔌 Concerns about high battery consumption
  • 🤔 Calibration and alignment issues with the AR features
SkyORB Classic Astronomy#3

SkyORB Classic Astronomy by Stephane Denis

3D Planetarium Stargazing News
Worth Considering
📚 Education
4.5😐(23 ratings)
FreeAdsIn-App Purchases
SkyORB Classic Astronomy screenshot 1
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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.

What We Love

  • 🌟 Great app for stargazing
  • 🔍 Useful for identifying stars, planets, and constellations
  • 📅 Helpful calendar of astronomical events
  • 🌍 Accurate representation of the night sky

Room to Improve

  • 🤔 Confusing and unintuitive interface
  • 🐛 Frequent crashes and bugs
  • 💰 Paywall for many features

More Astronomy Alerts apps to explore

4
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
5
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
6
Astronomy Magazine
Astronomy Magazine
Astronomy Magazine
by Flying Media Group, LLC
Free

Access the world's leading astronomy magazine with stunning visuals and expert reporting. Explore the cosmos with detailed sky coverage, observing tips, and telescope reviews. Enjoy a user-friendly experience optimized for all levels of astronomers, with offline reading and customization options.

Expert science reportingVivid color photographyComplete sky coverage
📰 Magazines & Newspapers
(39)
free with in-app purchases
7
Sundial Solar & Lunar Time
Sundial Solar & Lunar Time
Sundial Solar & Lunar Time
Sunrise sunset widget alarm
Free

This app provides detailed information about the sun and moon's cycles, including sunrise, sunset, and twilight times. It offers customizable alerts for various solar and lunar events and features a time travel function to view past and future celestial positions. Widgets and an Apple Watch app offer convenient access to this data.

Sunrise/sunset cycle displayTwilight time trackingCustomizable event alerts
☀️ Weather
(4.5K)
free with in-app purchases
8
Light Pollution Map - Dark Sky
Light Pollution Map - Dark Sky
Light Pollution Map - Dark Sky
Astronomy tools & more
Free

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.

Interactive light pollution mapAurora borealis live map and alertsMeteor shower and super moon alerts
☀️ Weather
(81)
free with in-app purchases
9
Sky Tonight - Stargazing Guide
Sky Tonight - Stargazing Guide
Sky Tonight - Stargazing Guide
Constellation Star 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.

Real-time interactive sky mapAugmented reality modeTime Machine for past/future positions
🔍 Reference
(73K)
free with in-app purchases
10
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
11
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
12
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
13
Space NASA & Astronomy News
Space NASA & Astronomy News
Space NASA & Astronomy News
Latest Universe Discoveries
Free

Stay updated on the latest space and astronomy news, including human exploration, universe discoveries, and launches from major organizations. Customize your feed, receive notifications, and engage with a community of space enthusiasts.

Curated space and astronomy newsPrioritized, non-repeating feedPush notifications for major stories
📡 News
(850)
free with in-app purchases
14
Star Walk：Find Stars & Planets
Star Walk：Find Stars & Planets
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.

Real-time night sky mapAugmented reality viewExplore 200,000+ celestial bodies
📚 Education
(25K)
free with in-app purchases
15
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
16
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
17
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
18
Stars and Planets - Astronomy
Stars and Planets - Astronomy
Stars and Planets - Astronomy
3D Universe simulator
Free

Explore the cosmos in a 3D universe simulator powered by NASA and ESA data. Journey to millions of stars, land on exoplanets, and delve into the mysteries of black holes and pulsars. Discover breathtaking landscapes and gain knowledge from cutting-edge space research.

3D universe simulationSpacecraft flight simulationExoplanet exploration
📚 Education
(1.1K)
free with in-app purchases
19
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
20
Star Walk 2 Pro: Sky Map Live
Star Walk 2 Pro: Sky Map Live
Star Walk 2 Pro: Sky Map Live
Stars and Planets Tracker AR
$2.99

Explore the night sky with this augmented reality stargazing app. Point your device to identify thousands of stars, planets, constellations, and celestial events in real-time. Discover astronomical news and plan your observations with a comprehensive sky map.

Real-time sky mapAugmented reality mode3D constellation models
📚 Education
(67K)
free with in-app purchases