Update #2, March 2020:
Thrive Themes legacy themes have been replaced by Thrive Theme Builder, the best way to visually design high converting WordPress themes with complete control over your site. Thrive Theme Builder works in perfect harmony with Thrive Architect to give you unparalleled control over your entire site, from your marketing landing pages to your sidebars and 404s, you’ll never have to worry about WordPress design restrictions again.
With our new Landing Pages feature, it's easier than ever to create conversion optimized pages... which might lead to the question: do you even need a theme anymore (especially considering that we'll continue adding new page templates for different purposes)?
In this post, you'll discover the difference between landing pages and theme pages, so you'll know exactly when to use which, for the best results.