BrightScript Utility App Re-write

I have three existing BrightScript files to use as a reference, the main file is roughly 700–900 lines of code, but I need all three to be independently re-written. but provides the same external behavior as the reference material... (Budget: $30 - $250 USD, Jobs: Cocoa, Mobile App Development, Objective C, Software Development, Software Engineering, UI / User Interface)