According to “Surviving the Retail Apocalypse,” a new survey of more than 1,000 consumers of all ages from Yes Marketing, 57% of consumers have used a retailer’s mobile app while shopping in the store. The top three reasons respondents offered in-store mobile app usage all revolved around obtaining discounts: redeeming coupons (65%), finding coupons (57%) and locating items that are on sale (46%).