Ivan Karpan & Evgeniy Lebed has GlobeConvert (iTunes Link) for the iPhone and iPod Touch and GlobeConvert Pro (iTunes Link) for the iPad in the iTunes App Store for FREE (regularly 99-cents) for a limited time.

GlobeConvert easily converts to the co-ordinates you are used to any values of 80+ units of following types: Temperature, Pressure, Weight, Volume, Length, Time, Energy, Power, Speed, Area.

Currency converter contains 190+ commonly and rarely used currencies and updates exchange rates online and on-the-fly. You can also save your favorite presets you use the most and access them quickly and easily when you need it. Complete information about the units and currencies GlobeConvert contains can be found on its web-site.