When comparing Kobito vs Gingko, the Slant community recommends Gingko for most people. In the question“What are the best Markdown editors for OS X?” Gingko is ranked 28th while Kobito is ranked 39th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Direct post to Qiita
Files can be easily posted to and synchronized with Qiita, the largest Japanese community site for geeks.
Pro You can customize colors
Pro Allows focusing on one piece of information at a time
Since Gingko documents are "trees", they are always organized on the go. And since everything is written in cards, it is possible to focus on one chunk of content at a time.
Pro Easy to overview
Despite the complexity of the tree structure, it's always clear where you are, and how to quickly add your thoughts.
Pro Markdown support
All formatting is done via Markdown.
Pro Non-linear
Non-linear notetaking allows you more flexibility, freedom and creativity.
Cons
Con There are some issues with the English translation
Kobito is an application which was originally developed in Japanese and later translated to English. The English translation is not perfect though.
Con Limited free version
The free version is limited to 100 cards and 10 documents. Depending on how you use it, this might not be enough.