When comparing vimagit (via vim) vs GitUp, the Slant community recommends GitUp for most people. In the question“What are the best Git clients for macOS?” GitUp is ranked 11th while vimagit (via vim) is ranked 19th. The most important reason people chose GitUp is:
Fast Git GUI. Everything is already there and loaded when you open up the window.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Efficient stage/commit workflow
Inspired from emacs magit workflow, vimagit provides an efficient stage/commit workflow. In the case you have a lot of work, in multiple files, in your git repository: vimagit makes it easy to split it in multiple commits.
Pro Stage hunks or even just parts of a hunk using a single key press
Pro Blazing fast
Fast Git GUI. Everything is already there and loaded when you open up the window.
Pro Allows doing complex things without memorizing git
Git usage beyond basic checkout/commit is arcane; GitUp lets you do things in git in seconds that would take you a half hour of research with the command line.
Pro Full undo
You can backup, or edit commits, if you make a mistake.
Pro Open Source, GPL-licensed
Cons
Con OS X Only
Only available for OSX, so if you are used to working with different OSes and you want the same tools in each of them, it's impossible to have that with GitUp.
Con Font size is not adjustable
Tiny font not good for those with poor vision.