Edit PDFs and convert between PDFs and Ms Office files with simple PDF tools.

Simple PDF Tools > Product FAQ (Frequently Ask and Questions)

Difference between trial version and registered version of flipbook maker



A: The trial version is a try-before-buy product, which has a 30 days validity and limitation: appending watermark to the output flash flip book(s). And after the probation period, you will be prohibited the use of software. With the registered version, you don't need to worry about these problems, and once you purchase our product, you will receive a key code which is valid forever. That means, you can update the software in the future for free. And the latest version of PDF to Flipbook converters provide more new online templates that is available for only registered program.







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