The free demo mode allows you to create projects of any size. So you may try all the capabilities of Dr.Explain for free.
All output images in the free mode are watermarked. Some productivity boost functions are also locked in the free mode. A paid license key is required to remove image watermarks and unlock protected functions.
Licensing model
Dr.Explain is licensed under a per-user model. There are no support or annual fees.
All minor updates (e.g. 6.x) are free. Major updates (e.g. 6.x to 7.x) may be paid for those who ordered a license more than 12 months ago.
There are three types of licenses: Regular, Advanced and Ultima.
An Advanced License enables advanced functions that boost productivity when working with large and complex projects.Also, Advanced license allows you to generate PDF files and use JavaScripts in your online help. By using the Advanced license you will be able to use the full features of online help tools like full text search in online manuals, keyword indexes, pages print preview, pop-up tooltips and other tools. See the table below for more details.
Advanced License allows you to use more features that speed up the process of help authoring. Advanced features are most helpful for large projects with many nesting and cross-linked topics, many illustrations and annotated screenshots.