As a marketer, you’ve created a Web page, established a social media presence and even experimented with mobile marketing. Is it time for the next step? Should you create a mobile app so your customers can engage with you more easily? According to the “Synchrony Financial 2017 Digital Study,” 63 percent of the U.S. population over the age of 15 have downloaded a retail app. The average adult has two retail apps on their phone at any given time.