Official mobile app for booking appointments at Fat Donnys Barber Shop. Under Cuts. Crew Cuts. High Fades. No matter your style, weve got you covered. Save time and money with one of our professional Barbers for a premium haircut experience, tailored just for you! Book your next appointment in just a few clicks from the convenience of your mobile phone. Book, reschedule, pay, buy your favourite products online, enjoy loyalty program benefits.