Click Pro lets you make full or partial screenshots of the main display manually or periodically (1 second to 10 minutes). Retina and Normal displays are supported. Screenshots are saved in a folder titled "ClickProScreenshots" in your Documents folder. Screenshots are "png" images with titles formatted by Year Month Day Hours Minutes Seconds. Click Pro is $10 shareware. A Demo mode is provided to let you try the app for twenty minutes per launch before the app shuts down.
OS 10.7 or later
Click Pro quits after twenty minutes in Demo Mode.