# Active Users Learn what the Active Users chart measures and when to use it. Active Users chart What it shows [#what-it-shows] Active Users shows the count of users who were active during each period. How to use it [#how-to-use-it] Use this chart to understand audience size and engagement. It helps explain changes in paywall exposure, conversion volume, and revenue that may be driven by app usage. Good to know [#good-to-know] Active Users is a useful denominator when reviewing monetization. If revenue is flat while active users grow, look at paywall exposure and conversion rates next.