KPI Tree

PostHog Metric

Product Analytics

Monthly active users counts the unique users who trigger at least one qualifying event in PostHog within a 30-day period. It provides a broad measure of your product's reach and the size of your engaged user base, serving as a primary growth indicator.

Full guide: definition, formula, and benchmarks
PostHogProduct Analytics

Monthly Active Users

Monthly active users counts the unique users who trigger at least one qualifying event in PostHog within a 30-day period. It provides a broad measure of your product's reach and the size of your engaged user base, serving as a primary growth indicator.

Why monthly active users matters for PostHog users

MAU represents the total addressable audience for your product's features, upgrades, and monetisation. A growing MAU indicates expanding reach. A stagnant MAU despite strong acquisition suggests a retention problem - you are adding users as fast as you lose them.

Mapping MAU into your metric tree alongside DAU and WAU reveals engagement depth. The DAU/MAU ratio (stickiness) shows what proportion of your monthly users are daily users. This ratio is often more meaningful than MAU alone for understanding product health.

Understand and act on monthly active users with KPI Tree

KPI Tree syncs monthly active user counts from your warehouse and tracks trends alongside other engagement metrics. Position MAU as a top-level metric in your growth tree.

Assign RACI ownership to your VP Product or growth lead. Set alerts when MAU trends flatten or decline and track acquisition, retention, and reactivation initiatives against their MAU impact.

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Related PostHog metrics

Daily Active Users

Product Analytics

Metric Definition

Daily active users counts the unique users who trigger at least one qualifying event in PostHog within a calendar day. It serves as the foundational measure of product engagement, indicating how many users find enough value in your product to return and use it daily.

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Weekly Active Users

Product Analytics

Metric Definition

Weekly active users counts the unique users who trigger at least one qualifying event in PostHog within a 7-day period. It provides a mid-range engagement measure between daily and monthly activity, capturing users who engage regularly but not necessarily every day.

View metric

Churn Rate

Product Analytics

Metric Definition

Churn Rate = (Users Lost During Period / Users at Start of Period) x 100

Churn rate measures the percentage of users who stop using your product within a defined period, based on PostHog event data. It quantifies user attrition by identifying users whose activity drops below a defined threshold, providing a behavioural measure of retention failure.

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User Retention Rate

Product Analytics

Metric Definition

Retention Rate = (Users Active in Period / Users Active in Previous Period) x 100

User retention rate measures the percentage of users who return to your product within a defined period after their first use, based on PostHog event data. It is the inverse of churn and the primary indicator of whether your product delivers sustained value over time.

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Feature Stickiness

Product Analytics

Metric Definition

Feature Stickiness = (Feature DAU / Feature MAU) x 100

Feature stickiness measures the ratio of daily active users to monthly active users for a specific feature, expressed as a percentage. A higher ratio indicates that users who discover a feature return to use it regularly, suggesting it provides ongoing value rather than one-time utility.

View metric

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