In an industry rife with competition, casual dining restaurants are pulling out all the stops to turn patrons into loyal customers.
How? Mobile apps.
Some 2 in 5 causal chain diners have downloaded a restaurant mobile app, according to Market Force Information.
The company is out with a new set of restaurant rankings culled from responses of more than 6,700 people. They are based on a composite loyalty index that measures satisfaction with the food quality, service, value and restaurant experience, among other things.
"To remain relevant and sustain growth, casual dining chains must find new ways to differentiate, whether it's creating enriching guest experiences or offering innovative and high quality food options," Cheryl Flink, Market Force's chief strategy officer, said in a statement.
Click ahead to see America's favorite restaurants in different industry categories.
— By CNBC.com's Sarah Whitten
Posted Jan. 19, 2015