The CIW User Interface Designer certification equips you with knowledge about employing essential usability concepts, clarity, simplicity, ease of use, and perceptibility. It confirms strategies and tactics required to design user interfaces, accenting creating user interfaces for mobile devices. This CIW certification will help you comprehend more about wireframes, color schemes, tones, formatting, design templates, and typography. The CIW User Interface Designer certification is a part of the CIW Web and Mobile Design Series certification. To obtain this certification, one needs to pass CIW 1D0-621 exam.