When comparing T3 vs Template Monster, the Slant community recommends Template Monster for most people. In the question“What are the best Joomla template frameworks?” Template Monster is ranked 1st while T3 is ranked 3rd. The most important reason people chose Template Monster is:
They have hundreds of templates on different categories that are readily available for you to use. They're also neatly grouped so whatever your niche may be, searching for a template will be easy.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Less support
Pro Responsive out of the box
By default T3 has support for these modes - wide, normal, xtablet, tablet and mobile.
Pro Bootstrap support
Pro Huge number of themes
They have hundreds of templates on different categories that are readily available for you to use. They're also neatly grouped so whatever your niche may be, searching for a template will be easy.
Pro Great commenting system
They use Komento which is a commenting system with voting and rating options.
Pro Easy to install
You can get their themes and templates with a full-package installation archive. This breaks down the steps to install it in just a few clicks.