IndieGoWebHow much sun does
iOS App · Available Now
How much sun does
this place get?
Point your iPhone out of a window. CheckSun draws the sun's path for any day of the year over the live camera view, then gives you the direct-sun hours in plain numbers.
Download on the App StoreFree download. 7-day free trial, then $4.99 once.
How it works
01
Sky
The sun's path drawn over the live camera, with hour marks. Drag the date from January to July and watch the arc climb.
02
Map
Sunrise, sunset and current-sun directions from any point on the map, plus shadow direction and length at the time you pick.
03
Day
Sunrise, sunset, solar noon, daylight length and direct-sun hours, given a skyline height and one nearby building.
The app
The sun's path, over your window.
Sun and shadow from above.
Direct-sun hours, in plain numbers.
CheckSun
Try it free.
Own it for good.
7 days free, then a one-time unlock. No subscription, no account.
$4.99once
Free download. Lifetime unlock, one-time purchase.
Get CheckSunCalculated from NOAA's solar equations, your GPS and your compass. Requires iOS 26 or later. iPhone only.More iOS apps from IndieGoWeb