From Alan Mrvica:
SWAP units by swiping or double tapping center of labelOPTIMIZED for Retina display - works on 3.5 inches and new 4 inches screens.***Now with LIVE Currency Updates for all major currencies in the world***Very simple and beautifully designed unit converter with 12 categories and many different units:CONVERT:*Area *Currency (155 world currencies updated every 15 min.)*Data-computer data (byte, kilobyte, megabyte, etc.) *Fuel-milage*Length *Power*Pressure*Speed*Temperature*Time (days, weeks, hours, etc.)*Volume (dry and wet)*Weight-massCurrency exchange rates are downloaded every 15 minutes when app is open. Every download uses very small amount of data. Around 1-2kb. Internet connection required.155 currencies available - This is all world currencies with their respective country flags.