When comparing MacTerm vs Terminal.app, the Slant community recommends Terminal.app for most people. In the question“What are the best terminal emulators for Mac?” Terminal.app is ranked 3rd while MacTerm is ranked 12th. The most important reason people chose Terminal.app is:
Since it is already installed by default, you don't need to worry about finding and installing another terminal.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Support for macros
MacTerm has a macro tool with which you can add macros that can potentially do anything you want them to.
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 Still in beta stage
MacTerm is still in beta stage which means that it may be missing some features or that it has features which are not yet fully polished.
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.