When comparing Courier vs Noto Mono, the Slant community recommends Courier for most people. In the question“What are the best programming fonts?” Courier is ranked 56th while Noto Mono is ranked 77th. The most important reason people chose Courier is:
Ranked in these QuestionsQuestion Ranking
Pro Simple yet effective
Pro Comes pre-installed on almost any operating system
This means that the user doesn't have to go to the bother of installing anything.
Pro Clear glyph resolution
Pro Excellent support for Unicode characters
Unicode uses 16 bits per character, meaning that it can represent more than 65,000 unique characters.
Con Zero is difficult to identify
As it's not dotted or slashed, "0" is more difficult to distinguish.
Con Letters capital 'i' and lowercase 'L' are too similar
The only difference is almost unnoticable.
Con Difficult to distinguish between a period and acomma as well as a colon and a semi-colon
Comma has very small tail, making it difficult to distinguish from a period (full stop). Same applies to colon and semi-colon.