Mobile app design can boost repeat visits or purchase as it can facilitate online transactions, deployment of loyalty cards and push promotions. More likely, your customers are glued to their phones. Having a custom mobile app for your business means your customer have access to your products and services anytime, anywhere! They can deliver coupons and send announcements that build your sales. Furthermore, mobile apps also accelerate contact with your company, enhancing relationship with your customers in an age where quick responses are favored by buyers.
Companies with mobile approach reported increase in sales (Internet Retailer)