What is engagement?

An app engagement is an interaction between a user and a mobile application/app. Engagement is measured by examining multiple metrics to reveal how users interact with an app. Any action a user takes, from ad click through to post-install events such as opening the app, completing onboarding, or simply interacting with an element of the UX and using features, qualifies as an engagement.  By understanding which engagements are important for ROI, and which channels are delivering the users that engage in the most impactful ways, marketers can make campaign optimization and budget decisions that lead to better business outcomes.

Engagement shows how users are interacting with an app and its features, along with how frequently those interactions are taking place. Higher engagement is associated with stronger retention, as users who interact with an app regularly are less likely to churn. Engagement also supports long-term revenue potential because active users are more likely to complete actions that contribute to lifetime value (LTV).

Engaged users can also drive organic growth. Regular interaction increases the likelihood of reviews and recommendations, which can improve visibility without additional marketing investment.

The engagement signals considered business-critical differ by vertical. Dating apps may optimize for  likes or matches, while gaming apps focus on level completions or in-app purchases (IAPs). Across categories, engagement helps determine whether the app is meeting user expectations and delivering its intended value.

As what qualifies as an engagement is an almost endless list of in-app events, ‘engagement’ itself is rarely measured in isolation. Instead, app engagement, categorically, is measured by tracking the business relevant metrics that reveal how users are interacting (engaging) with an app. And each app will have a defined set of engagement metrics they measure. 

Here are some of the most common and broad engagement metrics and frameworks through which engagement is analyzed:

• In-app events: Most engagements measured will fall under this category. They are specific actions users take within the app, such as completing a level, making a purchase, or adding items to a cart. These events show which features users engage with and how usage patterns vary.
• Sessions: The number of times users open and actively use the app. A session starts when the app is launched and ends when the user becomes inactive.
• Session length: The average duration of a session. Longer sessions indicate deeper interaction with app content or features.
• Daily active users (DAU): The number of unique users who engage with the app within a 24-hour period. 
• Monthly active users (MAU): The number of unique users who engage with the app within a 30-day period. 
• Stickiness (DAU/MAU): The ratio of daily active users to monthly active users. This metric shows how frequently monthly users return (engage) on a daily basis.
• Retention rate: The percentage of users who return to the app after a defined time period. Retention indicates how well the app maintains ongoing activity.
• Churn rate: The percentage of users who stop using the app during a given period. Churn identifies when and where users disengage.

To improve engagement, app marketers and developers need to work in tandem to create excellent in-app experiences while finding and acquiring top-tier, high-LTV users.  Here are some ways to get started.

Improve onboarding clarity

Clear onboarding helps users understand how to navigate the app and access key features, making it easier for them to continue using the product.

Introduce habit-forming features

Notifications, rewards, and progression elements can encourage repeated interaction with core app features.

Reduce friction in key flows

Simplifying navigation and removing unnecessary steps in sign-up, checkout, or other critical flows supports smoother user interaction.

Re-engage inactive users

Engagement data can help identify inactive or low-activity users. Targeted outreach can prompt these users to return to the app.

Test and optimize UI/UX

Testing different layouts, flows, and feature placements helps determine which versions support stronger interaction. Iteration ensures the app remains aligned with user behavior over time 

As a mobile measurement partner (MMP), Adjust’s solutions provide unbiased insight into user engagement and how users from all sources are interacting with an app. Using Datascape dashboards, teams can easily see all their data in one place, making it straightforward to identify patterns and track in-app events, such as purchases, logins, add-to-cart actions, level completions, or whichever engagement metrics are relevant...

Adjust also enables re-engagement measurement. Retargeting is measured automatically, and returning users can be reattributed when they re-open or reinstall the app after engaging with a new touchpoint.

Adjust Growth Copilot further simplifies analysis by allowing teams to query trends, identify changes in engagement, and reveal potential issues or opportunities using a natural language interface. Together, these tools give marketers a clear, consolidated view of engagement across channels and help them make informed decisions to improve performance.

Learn more about how Adjust can support your engagement measurement and grow your app business. Request a demo today!