If you have purchased a lot of apps through App Store and just to avoid the mess you want to hide some of those apps temporarily from the list then following guide will help you to do that on your iPad. Through this guide you will also learn the process to unhide apps on App Store Purchases.
Note: You must get sign in on App Store on your iPad by using your Apple ID and password. For the security constraint, App Store again asks for Apple ID password, while you edit something related to your purchases, so you have to provide that during the process below, whenever that would be required to proceed further.
Hide App Store Purchases on iPad
Launch “App Store” from Springboard on your iPad
Tap on “Purchased” tab
Swipe on any of your purchased app, and in result “Hide” button will appear, so just tap on it and your selected app will get removed from the Purchased list
Unhide App Store Purchases on iPad
Tap on “Purchased” tab in App Store and scroll down and tap on your “Apple ID”
Tap on “View Account”
Enter your Apple ID Password and hit OK
Under “iTunes in the Cloud” section, tap on “Hidden Purchases”
Tap “Unhide” button followed by the app to which you want to show in your Purchases list again and that’s it