A quotation from the accompanying Read Me:

"Evaluating HideItControl

When you first install and use HideItControl, it will be running in Trial mode where it has the following limitations:

• it will run for up to one hour (but can be restarted via the preference pane)

• it will only hide 3 applications

• it will expire after 4 weeks

Purchasing HideItControl

When you are satisfied that HideItControl has value, you can purchase a license for HideItControl via www.derman.com. We use the fine e-store services provided by Kagi. When you receive your License ID from Kagi (via the "Thanks for your purchase" email), you can license HideItControl as indicated below."