UI stands for User Interface where your website looks, what's its standpoint, theme, font, and color.UI is a valuable section of any website.
UX stands for User Experience, User experience design is method of establishing user performance through usability, usefulness and advantages granted in the intercommunication with a product.
WEB UI/UX DESIGN
A long established fact that a reader will be distracted by the readable content of a page when looking at its layout.
MOBILE APP UI /UX DESIGN
Mobile User Interface is a graphical and touch-responsive show on a mobile device such as a Smartphone or a tablet, which lets the user communicate with the device's applications, features, content, and function. Mobile UX contains the individual experience with the user who has a mobile app.