LookStar
Point your phone at the sky
and discover the stars
An AR star map that identifies stars, planets, and all 88 constellations in real time.
Free astronomy app for iPhone, iPad, and Android.
App Preview
Key Features
AR Constellations
Point your phone at the sky and see stars and constellations displayed in real-time
88 Constellations
Complete information on all 88 constellations recognized by the IAU
Accurate Positioning
GPS and sensors show accurate constellations based on your location
Solar System
Explore planets in our solar system and famous stars
How It Works
Launch the App
Open the LookStar app on your device
Point at the Sky
Lift your phone and point the camera toward the sky
Explore
View stars and constellation information on your screen
About LookStar
LookStar is an augmented reality (AR) star map for Android, iPhone, and iPad. Point your phone at the night sky and the app draws stars, constellation lines, and planets over the live camera view in real time. It is made for anyone curious about the sky, from first-time stargazers to astronomy enthusiasts.
LookStar includes all 88 constellations recognized by the International Astronomical Union (IAU), the planets of our solar system, and bright stars such as Sirius, Vega, and Betelgeuse. Search for any constellation or planet and follow the direction guide to find it, tap a star to see details such as its magnitude, filter stars by brightness, and turn on Night Mode to protect your eyes in the dark.
To place the sky correctly, LookStar uses your phone's GPS, compass, accelerometer, and gyroscope. Location, sensor, and camera data stay on your device. LookStar is free to download on Google Play and the App Store. It shows ads, and an optional in-app purchase removes them.
Frequently Asked Questions
Is LookStar free?
Yes. LookStar is free to download on Google Play and the App Store. The app shows ads, and an optional in-app purchase removes them.
Which devices does LookStar support?
LookStar is available for Android on Google Play and for iPhone and iPad on the App Store. On Apple devices it requires iOS or iPadOS 15.0 or later.
How does LookStar know where the stars are?
LookStar combines your location and the current time with your phone's compass, accelerometer, and gyroscope. From these it calculates which stars, planets, and constellations are above you and where your camera is pointing.
What can I find with LookStar?
You can find all 88 IAU constellations, planets such as Mercury, Venus, Mars, Jupiter, and Saturn, and bright stars like Sirius, Vega, and Betelgeuse, all drawn over your camera view in AR mode.
Can I search for a specific star or planet?
Yes. Use Search to look up any constellation or planet, and LookStar shows a direction guide that leads you to it in the sky.
Does LookStar have a night mode?
Yes. Night Mode protects your eyes in the dark while you stargaze, and the magnitude filter lets you choose which stars to show by brightness.