Know your sky.
Make it your own.

iCaelum brings the weather, the air, the Sun, the Moon and the night sky together in one calm app, so you can make the most of your time outside.

iPhone and iPadNo account needed
The Today screen in iCaelum

One app for the day ahead and the sky above.

The day ahead

Clear weather and air conditions for where you are, or where you are going.

More about weather
Weather in iCaelum

The sky above

Follow the Sun and Moon, and discover what is shining overhead tonight.

More about the sky
The night sky in iCaelum

Take the sky with you.

iCaelum is available for iPhone and iPad on the App Store.

View on the App Store