When comparing Substance vs Quora, the Slant community recommends Quora for most people. In the question“What are the best solutions for a personal blog?” Quora is ranked 18th while Substance is ranked 23rd. The most important reason people chose Quora is:
When you tag your blog post, it will show up in feeds of people following that topic.
Question 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 Tags help promote your content
When you tag your blog post, it will show up in feeds of people following that topic.
Pro Community interested in learning
Quora has a built-in audience interested in learning new things.
Cons
Con No customization options
There is no way of making your Quora blog different from any other Quora blog. It is only an extension of your Quora profile.