Are you looking for an app you've already purchased on your iOS 15 or iPadOS 15 device? You can easily find and redownload apps from your Apple ID account in the App Store. Here's how:First, open the App Store on your device. Then, tap on your profile icon in the top right corner of the screen. This will take you to your account page.
On this page, you'll see a list of all the apps you've purchased from the App Store. Tap on the app you're looking for and it will start downloading.If you can't find the app you're looking for in the App Store, even after following these steps, you may not have any luck. It's possible that the app is no longer available in the App Store.