Swipe down on the Home Screen and use Spotlight Search to find the app
Check the App Library by swiping left past all Home Screen pages
Open the App Store and search for the app to see if it’s installed
Go to Settings
Tap Screen Time
Tap Content & Privacy Restrictions
Tap Allowed Apps
Turn on any hidden apps that are disabled
Go to Settings
Tap Home Screen
Make sure newly downloaded apps are set to appear on the Home Screen
If an app is hidden in a folder, open the folder and move it back to the Home Screen
If an app is offloaded, reinstall it from the App Store
Check for hidden Home Screen pages by long-pressing the Home Screen, tapping the page dots, and re-enabling the page
Use App Library search to locate the app and drag it back to the Home Screen
Restart the iPhone if the app still does not appear