Decidz App for iOS Decidz is a simple app designed to help you meet up and do things with your friends. This app takes the stress out of making plans and helps you turn your ideas into actions. If you have ever been frustrated by trying to find a date everyone is free or struggled to find something to do which everyone can agree on then Decidz is the app for you. Quickly create a new event and suggest times, places and other things you may need for your special event. You can invite friends from your contacts or simply send them a link which will work anywhere. Your friends don’t need the Decidz app to respond and get involved.