Get a free Mother Cruncher or Big Buford sandwich from Checkers when you install their mobile app and join their rewards program.
When you join the Checkers & Rally's Rewards program you will start earning points for every visit. For every $1 you spend, you will receive 5 points. Earn 400 points and receive a $5 reward to spend on whatever menu items you want. You'll also get a free Classic Mother Cruncher or Big Buford after you sign up.
Visit their website to learn more and get your free sandwich.