Standard version can only create 2 books,professional version will not limit your book number. every new inspiration you get can always be transformed into your book for future creation.
Synchronization cross devices
Standard version support only the native writing, Professional version allows you to sync through the cloud in phone, tablet, desktop. use each device without losing every inspiration
Encrypted your book independently
Encrypt and protect your book anywhere. so you can design and write your book by computer, mobile ,tablet, other people can't read them.
Export to word, pdf
Standard version can export txt,html and ewr file format,Professional version can export beautiful word,pdf format ,you can do more individual job.
Upload picture from local,mobile
You can upload and insert picture to enhance your illustration or scene to make your story more exciting!