eBay is beta-testing same-day delivery for shoppers purchasing products from local brick and mortar retailers through its new mobile app eBay Now.

Local users (San Francisco only for the time being) began receiving beta invites over the weekend for the iOS-only app offering that will allow them to purchase items from stores including Macy’s, Toys’R’us, Target and Best Buy, and have them delivered anywhere.

eBay Now is likely an effort to combat Amazon, which many expect to use its recent warehouse expansion as a base for Amazon Prime users to receive same-day shipping in the future.

eBay is offering beta users $15 off of their first order and free same-day delivery for their first three. Orders will come with a $5 delivery charge and there is a minimum $25 order.