Device Detect: The Free WordPress Plugin That Detects Smartphones And Tablets

Device Detect allows you to detect the device of the user, and to easily insert into posts, pages and widgets of your website some contents only for the phones, tablets or computers. It improves the wp_is_mobile function of WordPress and provides functions that can be used in your WordPress theme to make your website responsive and perfectly adapted to phones, tablets and computers.

View the documentation | Download Device Detect