Is TechTool Pro 5 compatible with Lion?

TechTool Pro 5 and earlier have not been tested with Mac OS X 10.7 (Lion).  Using these versions may produce unexpected results.  It is recommended that users of previous versions upgrade to TechTool Pro 7.

TechTool Pro 7 is compatible with Mac OS X 10.7 (Lion), and has been updated to version 7.0.3.