I have gone through the Project Scope and is clear on the same. I had developed features mentioned in your project scope for e.g. profile creation, online payment and others in various applications.
Relevant Skills and Experience
Objective C, Swift 3, JSON (backend)
I am an expert iOS and Android App developer and have developed 150+ iOS and 100+ Android applications with various functions & user friendly.
Proposed Milestones
$777 SGD - I don't need upfront payment, you can clear the payment once you are satisfied with initial task.
kindly schedule a meeting at your convenience to discuss the project scope in more detail.