Star Chart

The night sky has always belonged to everyone. Now Star Chart does too. Used by over 40 million people worldwide, Star Chart turns your Android device into a window onto the whole visible universe — just point it at the sky and the stars introduce themselves. ✦ Sponsor a Star Star Chart is free. Every feature, every upgrade, every corner of the cosmos — no paywalls, no subscriptions. If Star Chart brings you joy, you can support it by sponsoring a real star and making it your own. A small act of cosmic ownership that keeps the app alive for everyone. What you'll find up there: • Point your device at the sky and Star Chart tells you exactly what you're looking at — in real time, using GPS and a precise 3D model of the universe • Over 20 million stars accurately mapped across both hemispheres • All 88 constellations, illustrated with the timeless artwork of 17th-century astronomer Johannes Hevelius • Every planet in the solar system, their moons and the Sun — all rendered in beautiful 3D • The complete Messier catalogue of 110 deep sky objects • Comets, meteor showers, and satellites tracked live • Guided Tours — let Star Chart take you on a journey through the night sky • Time Shift: travel up to 10,000 years into the past or future and watch the sky change • Voice control: just say "Fly me to the Moon" or "Where is Andromeda?" • Tap anything to learn more — distance, brightness, mythology and more • View below the horizon, set any location on Earth, zoom deep into star fields Whether you're a curious child pointing a phone at the dark, or a lifelong amateur with a telescope and a notebook — Star Chart is your companion under the stars. We've been building Star Chart since 2009 and we're not done yet. Send us your thoughts: [email protected] AR mode requires a device with a built-in compass. Manual scrolling supported on all devices. No internet connection required for normal use.