There is a wide range of mobile device types, from smartphones to phablets and tablets. Screen sizes vary widely across these different devices, ranging from 3.5 inch smartphones to 10.1 inch tablets. Screen size affects how users interact with mobile web applications. Pixel density also varies between devices. For example, map symbology might look good on an older Android tablet but small on an iPad with a retina screen. The following screen shot illustrates different screen sizes: