Light Mode vs. Dark Mode on App Once you click on the app, you'll see a MOON in far right. Select the MOON for dark mode. You'll see a SUN. Select the SUN to report back to light mode. https://support.apple.com/en-us/HT210332 You can also look at Light and Dark Mode on the iPhone. . Have more questions? Submit a request 0 Comments Article is closed for comments.