When comparing Substance vs Grav CMS, the Slant community recommends Grav CMS for most people. In the question“What are the best solutions for a personal blog?” Grav CMS is ranked 13th while Substance is ranked 24th. The most important reason people chose Grav CMS is:
Very fast, easy to update, - has admin panel for noobies or just edit markdown files for posts.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free for one site
One site is free, for other option see pricing.
Pro Easy importing of Jekyll posts
An easy to use interface for migrating from Jekyll is available.
Pro Clean and simple layouts
Substance doesn't clutter your blog, it gets out of the way so people can focus on reading.
Pro Fast, easy to use
Very fast, easy to update, - has admin panel for noobies or just edit markdown files for posts.
Pro Does not use any database, a complete flat Elise CMS
Database being a point of vulnerability is completely removed from the equation with it's flat file approach.
Cons
Con Not User Friendly
Require some technical knowledge to use