The Daily NASA is an iOS app, available in the Apple App Store.
(Requires iOS 12 and higher)You have 4 tabs.
The 1st Tab is "Daily Image". Here you can see the Image of the day.
The 2nd Tab is "Pick a Day". Here you can pick a day from the calendar and loud up a image or video.
The 3rd Tab is "Saved". Here you can see your saved images and videos. (You save them by pressing the "+" button)
The 4th Tab is "About". Here you can read about who made the app and a little description.