What is native user interface?
Native user interface (UI) is a design style that emphasizes the use of default controls and components provided by the operating system. This makes the experience more consistent and familiar for users, who are often more comfortable with things that look and work as they do on their own devices.
What is native mobile apps?
Native mobile apps (i.e., downloadable apps) are smartphone apps specifically designed for a particular operating system—iOS or Android. They are written in cross-platform frameworks like React Native or platform-specific languages such as Swift or Objective-C (for iOS) or Java or Kotlin (for Android).