When comparing SublimeGit (via Sublime Text) vs Tower 3, the Slant community recommends Tower 3 for most people. In the question“What are the best Git clients for macOS?” Tower 3 is ranked 17th while SublimeGit (via Sublime Text) is ranked 27th.
Ranked in these QuestionsQuestion Ranking
Pro Better visualization and interactive workflow
Diffing from the selected file
Pro Uninterrupted workflow for common tasks
Simple tasks, such as commits, can quickly be made without leaving the editor.
Pro Quick-commit encourages smaller commits/committing more regularly
Pro Clean and easy-to-use interface
Pro Native OS X UI
Pro Integration with a variety of remote repositories
GitHub (and Enterprise), GitLab (and Community), Bitbucket (and Server), Visual Studio (And TFS), Perforce GitSwarm and BeanStalk.
Pro Pull Request management
On some repos.
Con You have to be using Sublime to use this
Since it's a Sublime Text plugin, you have to be using Sublime as a text editor to make use of this in its full potential.
Con Git Pull doesn't work in ST3 on Yosemite
Con Paid subscription model
Dog slow for large repos. If you have a lot of files you want to stage, you're out of luck. You have to use the command line. UI is slow with large repos.