Iterate through all the fonts families and fonts in an iOS device and print their names to the console.

ios_fonts.m

NSArray *fontFamilyNames = [UIFont familyNames];
for (NSString *familyName in fontFamilyNames) {
        NSLog(@"Font Family Name = %@", familyName);
        NSArray *names = [UIFont fontNamesForFamilyName:familyName];
        NSLog(@"Font Names = %@", names);
}