A survey of 500 small businesses with both mobile apps and websites found that 73% said mobile apps returned a higher investment than websites. 81% of customers preferred apps over websites. Apps were also better than websites for getting new customers (75%) and retaining repeat customers (86%). However, the document advocates that both apps and optimized mobile websites are important for a full mobile strategy, as losing either could mean losing 25% of customers. It provides advantages and disadvantages of both apps and websites.