Logitech has announced two new home control remotes — the Harmony Ultimate ($350) and Harmony Smart Control ($130) — that can both use an iOS app for control. Harmony Ultimate is a full remote with 2.4” color touchscreen that can control up to 15 devices through swipes and taps. It can also control the Philips Hue lighting system. Harmony Smart Control works mainly through the Harmony smartphone app, though it also comes with a simple remote.…