When comparing Material Design Icons by Google vs IcoFont, the Slant community recommends Material Design Icons by Google for most people. In the question“What are the best icon web fonts?” Material Design Icons by Google is ranked 1st while IcoFont is ranked 5th.
Ranked in these QuestionsQuestion Ranking
Pro Designed under Material Design guidelines
Pro Hosted by Google Web Fonts
As with any font hosted by Google Web Fonts, it's simple to use. Self-hosting is available, or you can include a single line of HTML.
Pro Open source
The icons are open source and free to use.
Pro 2105 free customisable Icons
2105 free Icons separated by categories.
You can get the entire collection in a single package or choose only the categories you need.
Con Some icons look ugly
Con Currently in Beta
Could be a con, could not be one.