The trial version of DEVONthink features all the functions of our top-of-the-line edition, DEVONthink Server. This allows you to try out many powerful options, shown in the menus with a blue star, like the built-in OCR, email archiving, custom metadata, and more.
When you purchase a license for DEVONthink, you will only have the features available to your specific license. If you want to continue using any of the features marked with the star, you need to purchase at least the Pro edition. When you do, you will also get the other functions except for the web sharing, unless you purchase the Server edition.
Click here for an overview about what functionality is available in which edition of DEVONthink.