When comparing vimwiki plugin for vim vs Supernotes, the Slant community recommends vimwiki plugin for vim for most people. In the question“What is the best cross-platform note-taking app?” vimwiki plugin for vim is ranked 23rd while Supernotes is ranked 40th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Internal link makes it easy to create a knowledge network
Pro Comfortable for Vim users
Has a very minimal learning curve for people already used to Vim, as the preset shortcuts are very easy to learn and don't conflict badly with other Vim behaviors.
Pro Short-form note-cards
The note-card format is incredibly versatile, and great when you have lots of information.
Pro Responsive platform
Works on all devices, from mobiles to laptops.
Pro Full Markdown (with LaTeX equation) support
Great to be able to use all the features of Markdown, rather than a select few.
Cons
Con Limited to use with vim only
vimwiki is a plugin for vim, so you won't be able to make use of it if you're not a vim user (and don't want to be).
Con Only web apps for now
The developers haven't released native apps yet.