When comparing Courier Prime Code vs MonoLisa, the Slant community recommends MonoLisa for most people. In the question“What are the best programming fonts?” MonoLisa is ranked 54th while Courier Prime Code is ranked 113rd. The most important reason people chose MonoLisa is:
The website offers customizable downloads for editors that don't support OpenType features natively.
Specs
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Pros
Pro Even spacing
Courier Prime Code is a monospace font with adjusted Line Height.
Pro Support for standard font weights
Courier Prime supports Bold, Italics, Bold Italics, and Regular font weights.
Pro Customizable OpenType features downloads
The website offers customizable downloads for editors that don't support OpenType features natively.
Pro Script variant
It comes with script variant for italics.
Pro Ligatures
The typeface supports over 120 optionally enabled ligatures for common coding tasks.
Pro Italics
The typeface comes with an italic version.
Pro Space
Space used by the characters has been carefully balanced to keep them light to read.
Pro Reading flow
The characters have been designed to flow into each other so that the font feels easy to read.
Pro Distinction
Specific care has been put to make programming characters such as 1, i, and l or O or 0 easy to tell apart.
Pro Wider than usual
As it's wider, this means there's more space for designing characters like "m".
Cons
Con Courier Prime Code 0 (zero) is distinct from uppercase O (Oh)
In the other style, Courier Prime, the 0 (zero) is not distinct from uppercase O (Oh).
Con 1 (one) and lower l (ell) are very similar and can be confused
Con Not free
This font requires a purchase in order to be used. The cheapest version ('Basic') is 60 dollars. There is a free trial, though.
Con Wider than usual
As it's wider, this means a short adjustment period may be required. If you have a limited amount of horizontal space, the wider glyphs may be problematic as well.