Here’s the issue: When you use Walmart Pay with your smartphone at the checkout, you only get an e-receipt - not a printed receipt that many grocery rebate apps like Ibotta require. Walmart Savings Catcher changes impact Ibotta users Team Clark has received this question several times since Walmart’s policy change, so I did some investigating. Walmart Pay is now the only way to submit your receipts to Walmart Savings Catcher, but what does that mean if you use cash back apps like Ibotta?