AppPresser Membership Mobile App

I already run a WordPress and thrive site powered by WishList Member and now I want to turn it into a fully-featured mobile experience with AppPresser. The goal is a pair of native apps (iOS and Android) that mirror my existing membership offering while making the most of mobile-only conveniences... (Budget: $30 - $250 USD, Jobs: Android, API Integration, App Development, iPhone, PHP, WordPress)