When comparing Package control vs Terminal.app, the Slant community recommends Package control for most people. In the question“What are the best plugins for Sublime Text?” Package control is ranked 1st while Terminal.app is ranked 28th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Automatically upgrades your packages
Pro Helps you discover new plugins
Package control retrieves a list of plugins from their central server, making it easier to find new plugins.
Pro Enables you to customise and extend Sublime text!
Pro Supports GitHub, BitBucket and a full channel/repository system
Pro Free
Really ease your life for free
Pro Default terminal on Mac
Since it is already installed by default, you don't need to worry about finding and installing another terminal.
Pro Light on System Resources
Terminal.app lighter uses less system resources than iTerm having the same number of windows, tabs and processes going on.
Pro Great compatibility
Works with everything.
Pro Easily open man pages
By right clicking on a highlighted string you can easily search through the man pages for that string and the man page will open in a nice pop up window.
Pro Excellent xterm emulation support
Pro Beautiful
Terminal has nice colors and font options.
Cons
Con Updates are released rarely
Terminal usually gets an update when any new MacOS version is released, which is every couple of years.
Con Tab names are volatile
The tab names never stick -- it's imperative that this should work.
Con Background images are stretched rather than clipped
Con Occasionally crashes
Working remotely with a full buffer may cause complete terminal app crash.