MIUI is an open-source operating system and suite of utilities developed by Xiaomi for its range of mobile devices. It is based on the Android operating system and offers a range of features, including an intuitive user interface, custom themes, a variety of home screen and lock screen options, and a comprehensive suite of pre-installed apps. MIUI also offers a range of security and privacy features, including permission management and data encryption. It also includes a range of features for optimizing system performance, such as an optimized task manager and a secure file system.
I think IOS is better than Mui because it is fast. The reliable functions are good ... and the best thing is that the user interface is elegant.