https://phys.org/news/2019-01-sprint-rewards-latest-rival-att.html

There is no cost to join the program with Sprint promising "exclusive deals" from the carrier as well as from a "large variety of well-known brands in apparel, auto, beauty, electronics, health, home, sports, travel and more." Exactly what those offers will be was not immediately clear, though companies listed on the My Sprint Rewards website include AMC, Sam's Club, Shipt and H&R Block.

One perk for those hungry is a free large one-topping pizza from Papa Johns, who Sprint partnered with to launch the app.