MAU — Monthly Active Users
Definition: The number of unique users who engage with a product in a month. Standard scale metric across consumer products.
Example
Facebook has ~3B MAU. The DAU/MAU ratio (stickiness) matters more than the absolute number.
When you'll hear it
MAU shows up most often in board meetings, quarterly business reviews, and strategy off-sites. When someone uses it, they're usually referring to monthly active users — and they expect the room to already know what that means.
FAQs
What's the DAU/MAU ratio?
It measures stickiness — how often monthly users come back. 50%+ is excellent (people use it daily). Below 20% means weak retention.
What does MAU stand for?
MAU stands for Monthly Active Users.
What does MAU mean in business and finance?
The number of unique users who engage with a product in a month. Standard scale metric across consumer products.
Where will I hear MAU used at work?
MAU comes up most often in board meetings, quarterly business reviews, and strategy off-sites. It's used as shorthand for monthly active users, so people assume you already know the term.