I like that it is easy to use, can be used for both mobile apps as well websites with no issues at all! It really helps me keep track what needs attention in my codebase when reviewing pull requests from other developers or even self-reviewing changes made by myself after some time has passed since last looking into them (or maybe just before pushing). The UI could probably look better but overall this tool does its job very good so far - also their support team responds fast if you have any questions which are not answered during free trial period already :).