StampKey (can be downloaded for free) allows you to store any kind of loyalty cards systematically on your smartphone . You can simply add a digital image via your camera, import / export card images from your gallery as you like and keep your cards very organized in this handy solution. When you open the app, it shows a quick navigation screen where you simply can retrieve your loyalty cards by swiping left or right or choose them from the menu. Never again forget your loyalty cards at home while you do the weekly shopping as your cards will always be with you saved on your smartphone. In addition the app comes with an integrated stamp card solution for businesses (free trial account available) which is unique in its way that it turns your smartphone into a powerful tool to issue loyalty stamps and rewards on the spot by scanning the QR-codes of other StampKey users. So if you have a business and wish to create a professional loyalty program targeted towards your smartphone users, try StampKey.