ENGLISH
REFERENCE

MAU

n. plural-only
C1 Advanced US //ˈmaʊ// mau

n. Stands for Monthly Active Users. The number of unique people who visit a website or use an app at least once during a 30-day period.

n. Abbreviation for Monthly Active Users. A key performance indicator (KPI) representing the total number of unique visitors or accounts that engage with a digital platform within a calendar month.


SIMPLE

The app reached one million MAU just six months after launch.

CONTEXTUAL

Investors are closely monitoring the platform's MAU to determine if the recent marketing campaign successfully increased long-term engagement.

COMPLEX

While total downloads provide an initial metric of interest, MAU offers a more accurate reflection of a product's stickiness and the actual size of its recurring user base.

Usage

Commonly used as a collective plural noun in business and tech contexts; often treated as a singular metric in financial reporting.

© 2026 English Reference