Daily Active Users (DAU) is the average number of unique users who open an app on a given day.

Average Session Length is calculated by dividing the total session duration by the total number of sessions.

User Retention Rate measures the percentage of users who return to an app after a certain period, typically 7, 14, or 30 days.

Churn Rate is calculated by dividing the difference between active users and new users by the number of active users.

Conversion Rate measures the percentage of users who make a purchase within an app, typically calculated as the number of purchases divided by the number of app installs.

Average Revenue Per User (ARPU) is calculated by dividing the total revenue by the total number of users.

Lifetime Value (LTV) measures the total amount of revenue generated by an app over the lifetime of a user, typically calculated as the sum of all purchases made by a user.

Monetization Rate is calculated by dividing the total revenue by the total number of active users.

In-app Advertising involves showing users advertisements within the app, typically in the form of banner ads, interstitial ads, or video ads.

Freemium is a mobile app monetization strategy where the app is initially offered for free but offers additional features or content for a fee.

Subscription is a mobile app monetization strategy where users are charged a recurring fee to access the app's features or content.

Paid App is a mobile app monetization strategy where the app is sold at a one-time cost.

In-app Purchase is a mobile app monetization strategy where additional features or content are sold within the app.

Conversion Rate is a metric that measures the percentage of users who complete a desired action within an app, such as making a purchase or signing up for a service.

Engagement Rate measures the percentage of users who interact with an app's features or content, such as viewing videos, playing games, or reading articles.