Buyer beware. I bought the PSD and the font is Gotham Bold. Gotham isn't on iOS and doesn't have an interactive/UI licence so it's not even an option to buy it.

Buyer beware. I bought the PSD and the font is Gotham Bold. Gotham isn't on iOS and doesn't have an interactive/UI licence so it's not even an option to buy it. The developer's response: use Helvetica.