The Authorize.net iOS SDK by Authorize.net offers API interaction with the aim to interact with the gateway. Includes installation and guides to implement with ApplePay. Developer Brian McManus mentions that the kit can be useful to build Mobile Point-of Sales applications.
How can developers make money? That’s a big question in the mobile app space, and the answer is changing. There has been a gradual recognition over the past few years that one-time payment for apps (those “paid apps” that we avoid downloading if we can) is not the happy-face solution for most developers aiming to be compensated adequately for the creative work they do.