Features
Everything you can do with Apphemeride
Five areas, one aim: to understand the sky above your location. Explore each feature, see how it helps and find out what is free.
Dashboard
Your night at a glance: darkness, Moon, planets and events.
Space
The solar system in 3D, with calculated positions.
Sky Map
The sky above you, with constellations and coordinate grids.
Earth
Day and night, above-horizon regions and eclipse paths on a world map.
Object pages
The data behind the Sun, Moon, planets and stars.
Eclipses
Paths, contact times and second-by-second simulations.
Events
Thirty event types, meteor showers and custom scans.
Star catalogue
9,110 bright stars and 2.5 million Tycho-2 stars.
Lists and alerts
Your own observing lists and threshold alerts.
Time and location
Time travel, location selection, observer elevation and sidereal time.
The Sun and Moon are always free, including rise and set times, data cards, Space and the Sky Map. Unlock the remaining features with the full version: a one-time purchase after a three-day trial, with no subscription.
Every calculation runs on your iPhone. Internet access is needed only for address search, map tiles and sunspot data. No account, no ads, no tracking.
Try it tonight.
Free to download. The Sun and Moon are always free. Unlock the remaining features with the full version: a one-time purchase after a three-day trial, with no subscription.
