Explore & learn
Star Explorer
Point your iPhone at the sky to identify stars, planets, constellations and the Moon. Explore a sky map for your location and time, follow astronomy events and plan your next observing session.
What you can do
- Use the free AR star finder, sky map, astronomy events and offline assistant.
- Explore stars, all 88 constellations and Messier objects, with a red-light night mode.
- See Moon phases, moonless observing windows and astronomy events on Apple Watch.
Before you start
Weather and cloud AI need a connection. Advanced observing and cloud feature entitlements are shown in the app.
Product information
- Devices
- iPhone / iPad
- Developer
- Beijing XingheBit Science & Technology Development Co., Ltd.
- Availability & pricing
- See the current App Store listing for your region.
- Information checked
- 2026-11-10
Common questions
Where can I get Star Explorer?
Use the App Store link on this page to check supported devices, the current version, regional availability and purchase terms.
What should I check when using Star Explorer?
Weather and cloud AI need a connection. Advanced observing and cloud feature entitlements are shown in the app.