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Best Astronomy Tools Apps

250+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated August 2026

Every iPhone needs a few good astronomy tools apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Astronomy Tools Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sky GuideSky GuideFree4.8★ (367K)NoYesAug 2026
2SkyView® LiteSkyView® LiteFree4.5★ (19K)YesYesAug 2026
3Light Pollution Map - Dark SkyLight Pollution Map - Dark SkyFree4.6★ (197)NoYesAug 2026
4Astroweather - astronomy toolsAstroweather - astronomy toolsFree3.3★ (9)YesYesAug 2026
5Deluxe Moon Pro • App & WidgetDeluxe Moon Pro • App & WidgetFree4.7★ (7.3K)NoYesAug 2026
6ShabShabFree—NoNoJun 2026
7StarWizard: Astronomy Sky MapStarWizard: Astronomy Sky MapFree5.0★ (1)NoNoAug 2026
8StellarEyeStellarEyeFree—NoNoAug 2026

Top Picks for Astronomy Tools

Sky Guide#1

Sky Guide by Fifth Star Labs LLC

Star gaze constellation finder
Editor's Choice
🔍 Reference
4.8😊(367K ratings)
FreeIn-App Purchases
#11in 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
SkyView® Lite#2

SkyView® Lite by Terminal Eleven LLC

Explore the Universe
Strong Contender
📚 Education
4.5😊(19K ratings)
FreeAdsIn-App Purchases
#73in 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
Light Pollution Map - Dark Sky#3

Light Pollution Map - Dark Sky by Dunbar Technology, LLC

Astronomy tools & more
Worth Considering
☀️ Weather
4.6😞(197 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
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
(9)
free with in-app purchases
5
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
6
Shab
Shab
Shab
Astronomy Companion & Tools
Free
🔍 Reference
(0)
7
StarWizard: Astronomy Sky Map
StarWizard: Astronomy Sky Map
StarWizard: Astronomy Sky Map
Stargazing, Star Map & Planets
Free

Explore the night sky in real-time with augmented reality. Identify stars, planets, constellations, and the ISS. Features an AI guide for questions and offline celestial navigation lessons.

Real-time AR sky identificationOffline sky mapAI-powered celestial questions
📚 Education
(1)
free
8
StellarEye
StellarEye
StellarEye
Your Personal Sky Guide
Free

Explore the night sky with a real-time map of stars, constellations, and planets. Discover celestial objects, track planets, and stay updated on astronomical events. Document your stargazing with an observation log and travel through time to view the sky on different dates.

Real-time sky mapConstellation guide with mythologyDeep sky object tracking
📚 Education
(0)
free
9
Astronomy Picture: NASA APOD
Astronomy Picture: NASA APOD
Astronomy Picture: NASA APOD
Explore stunning space photos.
Free
$0.99 | 100% OFF

Discover a new stunning image or video of the universe daily, accompanied by expert explanations. Save, explore past images, and share cosmic wonders with friends. Get notified for new daily discoveries.

Daily new astronomy picturesBuild image collectionSave images to device
📚 Education
(0)
paid
10
Astronomy: Sky Tonight
Astronomy: Sky Tonight
Astronomy: Sky Tonight
Plan Your Night Under Stars
Free
🛍️ Shopping
(0)
11
Astro Skies
Astro Skies
Astro Skies
by DAVID ANDRES FERNANDEZ PEREZ
Free

Plan your stargazing sessions with this astronomy app. It provides real-time observing conditions, weather forecasts, lunar information, and visible celestial objects to help you make the most of your nights under the stars.

Observing score based on sky and weatherDetailed weather and seeing conditionsMoon phase and astronomical darkness
📚 Education
(1)
ad-supported
12
Apphemeride Precise Astronomy
Apphemeride Precise Astronomy
Apphemeride Precise Astronomy
Eclipse, Moon & Sky Almanac
Free

This app provides precise astronomical data for sky analysis, including eclipses, Moon motion, and planetary positions. It offers location-based calculations and visual tools to understand celestial events and their visibility.

Precise sky analysisEclipse and Moon motion trackingLocation-based celestial calculations
🔍 Reference
(0)
free
13
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
14
AstroSeekerApp
AstroSeekerApp
AstroSeekerApp
by Aykut Kilic
Free
🌟 Lifestyle
(0)
15
Moon Finder: Moonrise Widget
Moon Finder: Moonrise Widget
Moon Finder: Moonrise Widget
Find the Moon in Your Sky
Free
☀️ Weather
(0)
16
AstroCollect FR
AstroCollect FR
AstroCollect FR
by Olivier TEISSONNIERE
Free
$2.99 | 100% OFF
🔍 Reference
(0)
17
Astrosee
Astrosee
Astrosee
Astronomy Weather Planner
Free
☀️ Weather
(0)
18
Orrery: A Solar System
Orrery: A Solar System
Orrery: A Solar System
Planets in 3D, AR & Lessons
Free
📚 Education
(0)
19
News: Astronomy Edition
News: Astronomy Edition
News: Astronomy Edition
by AppYea Inc
$0.99

Stay updated with the latest astronomy news, videos, and photos. This guide offers constantly updated content for enthusiasts. Designed universally for various Apple devices.

Constantly updated astronomy newsVideo contentPhoto gallery
📡 News
(2)
paid
20
Clear Outside
Clear Outside
Clear Outside
by First Light Optics
Free

Get detailed, reliable weather forecasts specifically for astronomers, focusing on cloud cover. Track astronomical events like moon and sun times, darkness periods, and ISS passes. Save multiple locations for quick access to crucial data.

Seven-day hourly cloud cover forecastsRegular weather data (wind, rain, temperature)Moon and sun rise/set times
☀️ Weather
(6)
free

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FAQ about Astronomy Tools

What are the best astronomy tools apps for iPhone?
Sky Guide tops our astronomy tools apps ranking as of August 2026, with a 4.8-star average from 367K App Store ratings, and it's free to download.
Yes — 19 of the top astronomy tools apps we rank are free to download, including Sky Guide and SkyView® Lite.
Sky Guide has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ astronomy tools apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Sky Guide helps you identify celestial objects in the night sky. By holding your device up, it automatically recognizes stars, constellations, planets, and satellites. It uses augmented reality to overlay these figures onto your view of the real sky, making it easy to visualize and learn about the heavens.
Key features include automatic identification of celestial bodies, an AR mode for visualizing the sky, satellite tracking with notifications (like for the ISS), time travel controls to view past and future astronomical events, and a personalized calendar for events like eclipses. It also functions offline without Wi-Fi, cellular service, or GPS.