Polished UI for Education App

I’ve mapped out the full 20–25-screen flow for an education mock-test application in Google Stitch; now I need those wireframes elevated into a professional, launch-ready interface. The look should stay minimalistic while still feeling academic and trustworthy... (Budget: ₹1500 - ₹12500 INR, Jobs: Adobe XD, Figma, Graphic Design, Illustrator, Mobile App Development, Sketch, UI / User Interface, User Interface / IA)