Pros :

• It offers an enhanced outlining
• You can quickly find documents from main window by using its "Copyholders" features
• You can export rich text into a multimarkdown or pandoc with no problem
• You can easily keep track how much you have written each day using the built-in Writing Statistics
• You can customized and improved metadata and allows you to add checkboxes, dates, list box and many others
• It has improved Kindle export

Cons :

• You need to pay for the cost before you can use it. $45 for new customers and $25 for those who are existing ones
• As of now MacOS is the only one supported. Still developing on Windows support.