



Moreover, Logitech also lets you use free apps for iPhone and Android phones to control your devices as well (again, over Wi-Fi), so you can use them interchangeably with the Ultimate. The other big addition is a Wi-Fi component that allows you to update your Harmony's settings on a computer (or the remote itself) and sync them wirelessly without having to tether the remote to your PC or Mac via a USB cable (as you have to do with old-school Harmony remotes, such as the Harmony 650).
