Fanziner vs. Fanzine — What's the Difference?

One who publishes or contributes to a fanzine.

A fanzine (blend of fan and magazine or -zine) is a non-professional and non-official publication produced by enthusiasts of a particular cultural phenomenon (such as a literary or musical genre) for the pleasure of others who share their interest. The term was coined in an October 1940 science fiction fanzine by Russ Chauvenet and first popularized within science fiction fandom, and from there it was adopted by other communities.

An amateur-produced magazine written for a subculture of enthusiasts devoted to a particular interest

A magazine, normally produced by amateurs, intended for people who share a common interest