The client cache folder for a built client is located in a slightly different location than the cache folder for a non-built client application.

On Windows Vista/7 the Client Cache folder is located at:
{Disk}:\Users\{user}\AppData\Local\4D\DatabaseName_Address

On Mac OS X the Client Cache folder is located at:
{Disk}:Users:{user}:Library:Caches:4D:DatabaseName_Address

However, for a built client application, the cache folder is located in a slightly different location:

Client cache location on Windows Vista/7 for built client application:
{Disk}:\Users\{user}\AppData\Local\DatabaseName

Client cache location on Mac OS X for built client application:
{Disk}:Users:{user}:Library:Caches:DatabaseName Client