App4Mac ( has updated CheckUp, a Mac OS X tool for checking the health and monitoring the behavior of a Mac computer (even from a remote computer), to version 3.0. It’s been optimized for the upcoming OS X Lion. Version 3 also sports a new interface and a modern core.

A user license of CheckUp costs approximately US$40 and can be installed on two computers. Version 3.0 is a free update for registered users. Discounts are available for education and volume licensing.

CheckUp Requires Mac OS X 10.6.6 or higher and a Mac running an Intel processor. A trial version of CheckUp is available at the App4Mac web site.