This app is great if you want to convert from one unit to another. It covers all constant categories Area, Energy, Temperature, Length etc and a very useful feature which is Currency. This would be great for those holidays abroad, though watch your data transfer rates. I suppose this is one of the apps shortfalls, if ya could store what the exchange rate was when you bought your currency and not go online to get the latest exchange rates, it would be extremely useful.

Aside from this niggle the app works wonderfully and is great when watching the olympics to find out what those powerhouses are lifting in lbs in the clean and jerk or just how tall that 2.1m guy is slam dunking the basketball.

Simple to use, useful and free a perfect combination.