We used the Walmart Savings Catcher for either the iPhone or Android app. You might want to know how to redeem Walmart Savings Catcher rewards and how to delete receipts from Walmart Savings Catcher. It was even tougher to beat the prices the Walmart Savings Catcher gave us. Whether it’s supplies or groceries for our assisted living homes, it’s tough to beat Wal-Mart prices. Our caregivers and staff do a lot of shopping at Wal-Mart.