An easy way to lock all your iPad apps at once is to simplylock the iPad screen.
TapUse Screen Time Passcode.
You’ll be asked for the Screen Time passcode to continue.

Select an app category, such as Entertainment, or pick one or more individual apps to lock.
launch the app, and leave it open for one minute.
TapAsk For More Time.

The app is now locked with your password.
Whats the Point of Locking iPad Apps?
The reason you might consider this workaround is because it lets you prevent access to specific apps.

This technique of locking apps can also prevent unauthorized access to sensitive information.
How to Use Locked iPad Apps
Locking an app only locks it for other people.
To use a locked app, open it and tapAsk For More Time>Enter Screen Time Passcode.

Are There Any Apps You Shouldnt Lock?
you’re free to lock any app on your iPad.
Some apps, however, wont work right if you fully lock them.

you could also use Guided Access toprevent someone from exiting an iPad app.
Screen Time will also let you turn off in-app purchases.





