Since I own 'Buy me a pie', pushing our shopping role in the kitchen boredom and people wonder why I'm running out shopping with a smart phone in his hand through the corridors ... The concept is as simple as it is ingenious. Each Familienmitgleid writes simply on its own smartphone or on your PC via the browser on the list, what it lacks - and I see it in real time on my list. Thanks to Amazon, all family members have been able to install the Pro version for free. Otherwise it would have been a little expensive (relatively). Perhaps a suggestion to the manufacturer, to reflect on a family license, because if more than one person of the same household to use the app, makes them only really fun ...