What are some alternatives?
When comparing GitStats and Working Copy, you can also consider the following products
pre-commit - A slightly improved pre-commit hook for git
CodeHub - CodeHub is the most complete, unofficial, client for GitHub on the iOS platform.
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
Source iOS - The best git client and code editor for iOS.
GVfs - Git Virtual File System (by Microsoft)
Git2Go - The Git client for iPhone and iPad you always wanted