DAU/MAU Ratio definition

DAU/MAU Ratio

This metric indicates user stickiness or loyalty. A DAU/MAU ratio closer to 1 means users return frequently throughout the month.

Metrics

More terms of Metrics

Impression mobile-advertising-glossary-metrics

An impression is counted each time an ad is served and appears on a user’s device screen, regardless of whether the user interacts with it. It is one of the most basic and foundational ad delivery metrics used to measure reach and exposure.

Cost Per Click (CPC) mobile-advertising-glossary-metrics

CPC is the average amount paid by the advertiser for each user click on their ad. It's a common pricing model in paid search and social media advertising.

Cost Per Install (CPI) mobile-advertising-glossary-metrics

CPI measures the cost to acquire a single app install: CPI = Total Spend / Number of Installs. It’s a standard KPI for user acquisition campaigns in the mobile app ecosystem.

Ad Fill Rate mobile-advertising-glossary-metrics

The percentage of ad requests that are successfully filled with an ad impression: Fill Rate = (Filled Requests / Total Requests) * 100. Low fill rates may suggest weak demand or misconfiguration.

Fraud Rate mobile-advertising-glossary-metrics

The percentage of ad interactions (clicks, installs, impressions) that are determined to be fraudulent, such as bot activity, fake installs, or click spamming. High fraud rates can skew performance data and waste budget.

Audio Duration mobile-advertising-glossary-metrics

Captures how long a user listens to an audio ad (e.g., complete plays, average duration, listen-through rate).

Install Rate (IR) mobile-advertising-glossary-metrics

The percentage of users who clicked on an ad and went on to install the app. It helps advertisers evaluate how compelling their app offering is post-click.

Session Length mobile-advertising-glossary-metrics

This measures how much time a user spends in the app during a single session. Longer session lengths often indicate deeper engagement.

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