# Daily active users (DAU)

The number of distinct users meeting an activity rule within a day.

The number of distinct users meeting an activity rule within a day.

## An example

An app counts 700 distinct users who sent at least one message today.

## Why it matters

State the day boundary, activity rule and identity method. Multiple events from one user should not inflate DAU.


## Related terms
- [Active user](https://jolts.xyz/resources/glossary/active-user)
- [Cohort](https://jolts.xyz/resources/glossary/cohort)
- [Lifetime value (LTV)](https://jolts.xyz/resources/glossary/lifetime-value)
- [Retention rate](https://jolts.xyz/resources/glossary/retention-rate)

## Next step

[Explore advertising](https://jolts.xyz/advertisers) or [monetize your AI app](https://jolts.xyz/publishers).