snap-promo-imageGroupon said today that it has launched Snap, a new mobile app that gives people cash for buying certain groceries and packaged goods found at everyday supermarkets.

The app works in both the U.S. and in Canada on both Android devices and iPhones.

To earn money, consumers must buy items listed in the app, and then take a picture of their receipt to verify the purchase. Once a user accumulates $20 in cash back, they’re paid out. The experience is very similar to other apps, including services from Toronto-based Checkout 51, Paris-based Shopmium and ibotta of Denver.

Groupon’s service is a product of Toronto-based SnapSaves, an acquisition it made in June. This is the first time the app has been available in the U.S.

With the launch of Snap, Groupon further expands into the groceries business.

In May, Groupon rolled out Groupon Basics, which allows customers to buy household essentials in bulk, similar to Costco or Amazon’s Prime Pantry.

Generally, these apps can be popular since they are offering rebates, which means they can be used in addition to coupons presented at the store. At launch, some of the deals include $1 cash back on any gallon of milk; $1 for any loaf of bread; $1 for Glad Trash Bags, or $3 for Huggies diapers and $2 off Huggies wipes.

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