Open the App Store
Tap your profile icon
Tap Purchased
Tap My Purchases
Find the deleted app
Tap the download icon
Search for the app in the App Store
Tap the cloud icon or Get
Reinstall the app from the Home Screen App Library if needed
Restore app data from iCloud if the app supports it
Check Screen Time restrictions if the app does not appear
Sign in with the same Apple ID used to download the app