I have used a custom font in my previous app.
The file name was \"ProximaNova-Regular.otf\" and to load the font I just used...
[UIFont fontWithName:
Swift 3.0
for familyName in UIFont.familyNames { for fontName in UIFont.fontNames(forFamilyName: familyName ) { print("\(familyName) : \(fontName)") } }