Kotobee Author is freely downloadable through the Kotobee website. The software may be downloaded and installed without restrictions. However, to export your ebook, you will need a serial number. You can obtain your serial number easily, in different ways.

Free license

A large portion of the export options is provided entirely for free. All you need to do is register for a free account. The free license can be used by a single user (on a max of two machines). In Kotobee Author, click on Export at the header bar to go to the export screen. Under any export platform, you will find a button saying “Enter serial number..”. Click on the button to open the login window. Click on the button Register a free serial number. You will be taken to the Kotobee website, where you can register for the free package. Once completed and submitted, you will receive an email containing your free serial number. 

Note that the free license allows exporting up to 30 chapters, and a maximum file size of 50 MB.

Basic license

The basic license provides the ability to brand your web and desktop ebook apps with your own brand name and logo. It also unlocks the chapter and file size limits imposed in the free license.

Premium license

The premium license provides additional export options that are not available with the free or Basic license. The additional options are: SCORM components (LMS Integration) and encrypted EPUB files. The premium license also comes with a number of mobile app export credits, and additional customization options.


Before subscribing with a particular paid plan, it is possible to use a 30-day free trial. The free license already comes equipped with a 30-day trial for all the subscription plans. You will receive an email at the end of the trial period notifying you that the paid features will be discontinue.