Positioned as a direct challenger to the increasingly numerous $50 to $100 universal remote controls that have been released for iOS devices over the past year, Apptwee's new Ri Universal Remote Control ($30) is now the least expensive accessory of its kind -- a glossy white plastic Infrared dongle that attaches to the top of an iPhone, iPod touch, or iPad rather than the bottom, with a footprint smaller than even the impressively tiny Square Reader…
