“…A large body of previous research demonstrates that WIC participants often face difficulties with in-store benefit redemption [ 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 ]. Several factors have been shown to contribute to these redemption challenges including a lack of accurate, consistent shelf labeling [ 10 , 11 , 17 , 18 , 19 , 20 , 21 ], low stock of WIC-approved foods [ 11 , 15 , 16 , 20 , 22 , 23 ], issues at the checkout (i.e., perceived stigma and long waiting times) [ 10 , 11 , 17 , 24 ], confusion about WIC-eligible items (i.e., brands and sizes) [ 17 , 24 ], and inconsistencies between the register and the information participants receive from the program/WIC apps, particularly following program and policy changes [ 20 , 22 , 24 ].…”