Use Screen Time on your iPhone or iPad - Apple Support

With Screen Time, you can access real-time reports showing much much time you spend on your device.

iPad User Guide - Apple Support (CA)

Addicted to Your iPhone or iPad? How to Set Limits With Apple's Screen Time

Connect to Wi-Fi - Apple Support

Why don't smartphones have a child-mode? - Quora

How to reset your Screen Time passcode on iPhone, iPad, and iPod touch — Apple Support

Addicted to Your iPhone or iPad? How to Set Limits With Apple's Screen Time

What is the best Android/iOS application for employee attendance management? - Quora

About privacy and Location Services in iOS, iPadOS, and watchOS - Apple Support

How to disable restrictions on an iPhone - Quora

How to disable restrictions on an iPhone - Quora

How to erase all content and settings - Apple Support