When comparing Apple Monaco vs MonoLisa, the Slant community recommends Apple Monaco for most people. In the question“What are the best programming fonts?” Apple Monaco is ranked 12th while MonoLisa is ranked 54th. The most important reason people chose Apple Monaco is:
Monaco's rendering is similar to that of Consolas but slightly more playful. Each character seems to be a tiny bit larger when compared to Consolas, yet code takes up the same amount of space.
Specs
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Pros
Pro Easy on user's eyes
Monaco's rendering is similar to that of Consolas but slightly more playful. Each character seems to be a tiny bit larger when compared to Consolas, yet code takes up the same amount of space.
Pro Good differentiation between clashing characters
The curly braces are easily distinguishable from parentheses, "0" is distinguishable from "O", and "1" is distinguishable from "l", to name but a few.
Pro Beautiful braces, perfect parens
Parentheses are half-circles. Square brackets, half-squares. Curly braces, unmistakable. Geometric, classy, fun, and most importantly clear.
Other fonts' bracket delimiters might start to look lifeless and wilted.
Especially well-suited to those who color their brackets as the colors show even against light backgrounds.
Pro Excellent legibility at non-antialiased small sizes
This font shines for legibility at non-antialiased small sizes. It was originally designed as a 9 pt bitmap font. This is excellent for when maximizing on-screen code is a priority.
Pro Small file size
Even if you are struggling with memory, this font is no concern. Its ttf file is just about 50 kb.
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 Only comes with Mac OS X
While it generally only came with OS X, you can try here for installing on other platforms.
Con Ability to select different anti-aliasing grades was dropped
Before OS X Snow Leopard, it was possible to apply varying degrees of anti-aliasing to the font. At present, the previously "medium" anti-aliasing option is the only choice.
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.