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Mobile App Analytics by Wolfgang Beer

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Glossary

Active user

A user who had at least one action or session within a given period of time.

New user

A user who installed an app for the first time. Every user is counted as new user just once at app installation time.

Recurring users

Measures all the active users who were already using the app some time before. To measure the recurring users metric, subtract all the new users from the overall number of active users.

Unique users

Measures the number of distinct users within a given period of time. The metric of unique users estimates how many real people were active within a period of time, or were affected by a slowdown or an app crash; this metric does not count the same user twice.

Concurrent users

Often used to measure the number of unique users who are active during the same period of time. This metric represents the number of users that were operating an app during the same timeframe, such as one minute. As the definition of active is dependent on the definition of the session length and timeouts, this metric can vary a lot between different monitoring systems.

Daily active users (DAU)

The number of active users for a given daily period.

Monthly active users (MAU)

The number of active users within a given month.

Session

Defines one use of an app by a user. A session starts when the user launches the app, continues as long as the user takes any actions within the app, and ends either by the user suspending the app or, alternatively, by a defined ...

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