Hex Ray Decompiler

Today i come to know about Hex Ray decompiler
i think it only works with the IDA pro and can generate pseudo code from the assembly.i think this what makes RE easier.consider a case of diffing two dlls,i know there is halvar flaks bindiff but that requires you to understand and digg through the assembly code while hex ray makes it easy to genrate the pseudo code and then you can easily determine the changes.
so idea is use bindiff for identifying the difference between the function and then use hex ray to generate the psudo code and figure out the changes easily :)personallu i never tried any of them as they both require IDA :(