Go to OSX Daily to read How to Use Guided Access on iPhone & iPad to Lock an App on Screen
Guided Access is an extremely useful accessibility feature that can be utilized to lock your iPhone and iPad’s screen to one app. It can also limit what you can touch on the iPad, iPhone, or iPod touch screen. Guided Access is a great feature of iOS and iPadOS, particularly for parents, educators, and even businesses wanting to put an iPad into a form of kiosk mode.
If you often let your kids use your iOS or iPadOS devices to play games or access homework apps, you can take advantage of Guided access to limit access to just the one app that they want to use…
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