[WakaTime][1] is an open-source Xcode plugin for automatic time tracking.

Features:

* Fully automatic
* Detects project name from revision control software
* Language breakdown showing your most-used programming languages
* Monthly, weekly, or daily email summaries
* Open-source text editor plugins available on GitHub.

 ![enter image description here][2]


  [1]: http://wakatime.com
  [2]: https://i.sstatic.net/uCiss.png