What is a retention curve?

Retention curve is a graph that shows what percentage of users continue to use a product or service after a certain period of time since their first interaction (for example, installing an app or registering).

It helps to understand how well a product retains users and to identify points where churn occurs.

On the X-axis, time is usually plotted (days, weeks, months), and on the Y-axis, the percentage of remaining active users from the initial number.

Example: if on day 0 you have 1000 new users, and on day 7, 300 remain, then the retention on day 7 is 30%."},{