Azure-Auth Native Mobile Apps

I need a straightforward pair of native apps—one for iOS, one for Android—whose sole job is to let users sign up, sign in, and sign out through Microsoft Azure authentication. A basic, predefined look and feel is fine; platform-standard controls and simple layouts will keep things clean and fast... (Budget: $30 - $250 CAD, Jobs: Android App Development, App Design, App Development, App Store Optimization, Azure, iOS Development, Kotlin, Mobile App Development, Software Development, Swift)