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What is Weekly active users (WAU)?

Definition, examples, and more

Definition

The number of unique users who engage with the app within a 7-day period. WAU is a useful middle-ground metric between DAU and MAU, and is often tied to user health scoring and retention tracking.

How to Calculate

WAU = Unique users with at least 1 session in the past 7 days. WAU/MAU Ratio indicates weekly engagement density.

Example

A meal planning app has 80,000 MAU but only 35,000 WAU — meaning most users engage less than weekly. Since the app delivers most value with weekly meal planning, they add Sunday evening reminders: 'Plan your week in 5 minutes.' WAU rises to 48,000, and monthly subscribers increase 18%.

Why Weekly active users (WAU) Matters

WAU captures the natural usage rhythm for apps that are not daily-use but more than monthly-use (meal planners, weekly workouts, budgeting). A budgeting app found WAU more predictive of renewal than either DAU or MAU because their core use case was weekly budget reviews. Users with WAU engagement had 88% renewal rates vs 52% for monthly-only users.

Frequently Asked Questions

When is WAU more useful than DAU or MAU?

WAU is ideal for apps with natural weekly cycles: meal planning, workout scheduling, weekly reviews, religious/spiritual practice. If your core value proposition is delivered weekly, WAU is your north star engagement metric.

What is a good WAU for subscription apps?

Aim for WAU to be 40-60% of MAU. If WAU/MAU is below 30%, most users engage less than weekly — a concern for any app that needs habitual use to justify a subscription.

How do I increase WAU?

Create weekly rituals: weekly progress reports, new weekly content drops, weekly challenges, and reminders timed to the user's natural usage day. Make the weekly experience feel fresh and valuable enough to return for.

Category
Subscription App Terminology
Related Area
Mobile App Growth & Monetization

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