Astar Star Map Night Sky Guide
Constellation Finder & Notes
About
Explore the night sky with a live 3D star map that identifies constellations and celestial bodies. Leave and discover notes attached to stars, creating a shared or private celestial journal. Optionally name stars or extend note visibility with one-time purchases.
What's New in Astar Star Map Night Sky Guide
1.0.0
September 15, 2026
Subscription plans
Astar Premium
Unlimited access to all features.
In-App Purchases
$19.99
Name a Star (1 Month)
Name a star for 1 month. Only you can leave notes.
Developer apps
FAQ
What is Astar?
Astar is a reference app that provides a live 3D map of the night sky. It allows users to identify stars, constellations, and celestial bodies, and to leave or discover notes associated with them.
Is Astar free to use?
Yes, Astar's core experience is free to use without any time limit. This includes viewing the live sky, browsing the Explore feed and your Journal, and posting one public and one private note daily.
What are the benefits of Astar Premium?
Astar Premium is an optional subscription that removes the daily note limit, unlocks your full Journal history, and offers a 25% discount on Star Naming packages. It costs $7.99/month or $49.99/year.
Can I name a star in Astar?
Yes, you can give an unclaimed star a symbolic, community-given name within Astar's catalog. This is a one-time purchase and is not an official astronomical designation recognized by scientific bodies.
How does Astar handle user notes?
Users can tap on stars to leave text-only notes. Some notes are public and appear in the Explore feed, while others can be kept private in a personal Journal. Users can also like and favorite notes.
What devices does Astar support?
Astar is available on iPhone and iPad devices.
How often is Astar updated?
The app was last updated on 2026-09-15 with version 1.0.0, indicating it is a new release.
What is the age rating for Astar?
Astar has an age rating of 4+, making it suitable for a wide range of users.