According to Bizrate Insights, over 45% of all U.S. shoppers make purchases via the use of retail apps, at least once a month.Think about how many apps you may personally use, such as EBay, Amazon, Walmart or Groupon. These companies utilize apps to encourage sales and build customer loyalty. Chances are, you’ve likely made at least one purchase using an app in the past few months.And according to Criteo Inc, app-based shoppers are three times more likely to make a purchase after viewing a product detail page than even mobile web shoppers!In the world of e-commerce, apps are certainly ...