What is dau?
The number of active users is a performance metric for the success of an internet product such as a social networking service, online game, or mobile app. What is DAU? Daily Active Users (DAU) measures the number of active users who visit your app in a single day. DAU, WAU, MAU stand for Daily, Weekly, and Monthly Active Users, that is the unique amount of users who are "active" within a given amount of. DAU is the number of unique users who engage with your product in a one day window. DAU/MAU is a popular metric for user engagement – it's the ratio of your daily active users over your monthly active users, expressed as a percentage. DAU is a metric that is used to measure how many unique users open your app on a daily basis.