Pushpins delivers instant coupons and rewards to shoppers when they scan product barcodes in the grocery store. Pushpins for iPhone allows shoppers to “check-in” to their local store, scan the UPC of their favorite products, and redeem relevant promotions called “pushpins.” Pushpins can be instant coupons that are tied to your store savings card at checkout, rewards unlocked the more you save, or chances to win great prizes.