When comparing MT Andale Mono vs PT Mono, the Slant community recommends PT Mono for most people. In the question“What are the best programming fonts?” PT Mono is ranked 14th while MT Andale Mono is ranked 32nd. The most important reason people chose PT Mono is:
PT Mono uses slashed zeros and a rounded lowercase "L", while all numbers are easily distinguishable.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Excellent legibility
It's easy to distinguish "0" from "O", "a" from "o", and "I" from "l" from "1".
Pro Good font variants
Boldface variant is not too heavy while italic face is not too spindly. Andale Mono contrasts with Source Code Pro, which is very similar in the regular font face.
Pro Clear characters
PT Mono uses slashed zeros and a rounded lowercase "L", while all numbers are easily distinguishable.
Pro Crisp on display
No pixelation on high pixel density displays.
Pro Clearest parentheses/braces/brackets
You will read ({[ something like this with PT Mono smoothly on screen on any size and quality.
Cons
Con Not pure mono
Bold and italic are too wide, so it's not pure mono in combination with regular font.
Con No ligatures
Con Lower t stem is short, too similar to lower c
Preferentially, lower f, i, r, have feet, however fortunately lower l (ell) is tailed.