Default mail app meaning

The default mail app refers to the email client that is set as the default application for handling email-related tasks on a device or operating system. This means that when a user wants to send or receive an email, the default mail app is automatically launched to perform the task.

In other words, the default mail app is the primary email client that is associated with the device or operating system, and it is used by default for all email-related activities. This can include tasks such as:

Examples of default mail apps include:

The default mail app is usually set by the device manufacturer or operating system, but users can often change the default app to a different email client if they prefer.