The SONIC Drive-In app lets you order and pay with your phone, get rewards, find out about new items and offers, browse the menu, check nutritional information and more! Order Ahead and be first in line every time! Plus, get Happy Hour Any Time (1/2 Price Drinks & Slushes) when you order ahead through the app. Limited time only. See app for details. Get exclusive rewards you can redeem when you use Order Ahead. Find the closest SONIC Drive-In locations in your area and see their hours. Browse the menu. Check out whats new and view nutritional info for each item.