3 ms·The app is also your membership “card“. I haven’t used a physical Costco card for many years.by CharlesW 2y agoThe app is also your membership “card“. I haven’t used a physical Costco card for many years.nojvek 2y agoTIL. Doesn’t work at gas station though.CharlesW 2y agoIt does! https://www.youtube.com/watch?v=DglM2Dja62E https://www.youtube.com/watch?v=DglM2Dja62E