Planet Finder: Sky Tonight
Star Map, Stargazing Guide
About
This app transforms your phone into a live celestial guide. Point it at the sky to identify planets, stars, and constellations with an on-screen pointer. It provides real-time astronomical data, a sky calendar, and detailed information on celestial objects.
What's New in Planet Finder
1.4
August 17, 2026
Star names on the sky map Bright stars are now named right on the map, and more names appear as you pinch to zoom in. A redesigned Sky Events calendar Events are laid out month by month in a card grid you swipe sideways, each with a countdown to the night it happens. Clear skies.
MoreSubscription plans
Pro Weekly
All stars, constellations, sky events and night mode.
Developer apps
FAQ
What celestial objects can Planet Finder identify?
Planet Finder can identify all 88 constellations, the brightest stars, the Moon, all planets, and the complete Messier catalogue including galaxies, nebulae, and star clusters. It also displays the Milky Way.
Does Planet Finder require an internet connection?
No, Planet Finder computes all celestial data on your device, meaning it does not require an internet connection to function. This allows for use even in remote locations without signal.
How does the subscription work for Planet Finder?
Planet Finder offers an auto-renewing subscription with weekly and yearly plans. A free daily allowance is provided. Payment is charged to your Apple ID and renews unless canceled at least 24 hours before the period ends.
Can I add astronomical events to my personal calendar?
Yes, Planet Finder includes a sky calendar with events like moon phases, meteor showers, conjunctions, and eclipses. You can add any event to your own calendar with a single tap.
What are the Pro features in Planet Finder?
The Pro version offers a best viewing card that can be saved and shared, and allows you to pin your own photos onto any object in AR. It enhances the stargazing experience with personalized and shareable content.
Is Planet Finder suitable for beginners?
Yes, Planet Finder is designed to be a live sky guide, making it easy for beginners to point their phone at the sky and identify celestial objects. The on-screen pointer provides clear direction.
What devices is Planet Finder available on?
Planet Finder is currently supported on iPhone. The app is rated for ages 4 and up, making it accessible for a wide range of users.
How often is Planet Finder updated?
The latest version of Planet Finder is 1.2, and it was last updated on August 11, 2026. This indicates recent development and ongoing support for the application.