UzuConvert is the rebranding of iConvertMaster. It is a converter app but now it is also much more.
The main difference between UzuConvert and iConvertMaster is the interface. UzuConvert has a very much newer much nicer interface. Have a look below.
UzuConvert also brought unit and quantity descriptions and offline Wikipedia pages in addition to a plethora of additional quantities and units.