Amid the recent spike in popularity for buy now, pay later services, Klarna announced on Monday that it has reached 20 million U.S. customers, doubling its customer base since June 2020. Its mobile app now has 4 million active users. The members of Klarna’s Vibe rewards program have, to date, claimed almost $2.8 million in gift cards to use at retailers such as Amazon, Sephora, H&M and Target. Users also have saved more than 8 million items to their wish lists using the platform’s Collections tool, the company said. As of July 2021, Klarna has amassed 10,000 U.S. retail partners, a 132% spike from June 2020. The platform has more than 250,000 retail partners globally. Read more at Retail Dive.