Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.
-
This version requires Android 5.0 or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
read your contacts
Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
-
read sync settings
Allows the app to read the sync settings for an account. For example, this can determine whether the People app is synced with an account.
-
modify your contacts
Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
control vibration
Allows the app to control the vibrator.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
com.fsck.k9.permission.READ_MESSAGES
-
com.fsck.k9.permission.DELETE_MESSAGES
-
run foreground service
Allows the app to make use of foreground services.
Download APK
8.2 MiB
PGP Signature
-
This version requires Android 5.0 or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
read your contacts
Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
-
read sync settings
Allows the app to read the sync settings for an account. For example, this can determine whether the People app is synced with an account.
-
modify your contacts
Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
control vibration
Allows the app to control the vibrator.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
com.fsck.k9.permission.READ_MESSAGES
-
com.fsck.k9.permission.DELETE_MESSAGES
Download APK
8.3 MiB
PGP Signature
-
This version requires Android 5.0 or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
read your contacts
Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
-
read sync settings
Allows the app to read the sync settings for an account. For example, this can determine whether the People app is synced with an account.
-
modify your contacts
Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
control vibration
Allows the app to control the vibrator.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
com.fsck.k9.permission.READ_MESSAGES
-
com.fsck.k9.permission.DELETE_MESSAGES
Download APK
8.3 MiB
PGP Signature
-
This version requires Android 5.0 or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
read your contacts
Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
-
read sync settings
Allows the app to read the sync settings for an account. For example, this can determine whether the People app is synced with an account.
-
modify your contacts
Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
control vibration
Allows the app to control the vibrator.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
com.fsck.k9.permission.READ_MESSAGES
-
com.fsck.k9.permission.DELETE_MESSAGES
Download APK
8.3 MiB
PGP Signature
-
This version requires Android 5.0 or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
read your contacts
Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
-
read sync settings
Allows the app to read the sync settings for an account. For example, this can determine whether the People app is synced with an account.
-
modify your contacts
Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
control vibration
Allows the app to control the vibrator.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
com.fsck.k9.permission.READ_MESSAGES
-
com.fsck.k9.permission.DELETE_MESSAGES
Download APK
8.3 MiB
PGP Signature
-
This version requires Android 5.0 or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
read your contacts
Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
-
read sync settings
Allows the app to read the sync settings for an account. For example, this can determine whether the People app is synced with an account.
-
modify your contacts
Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
control vibration
Allows the app to control the vibrator.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
com.fsck.k9.permission.READ_MESSAGES
-
com.fsck.k9.permission.DELETE_MESSAGES
Download APK
7.9 MiB
PGP Signature
-
This version requires Android ? or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
read your contacts
Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
-
read sync settings
Allows the app to read the sync settings for an account. For example, this can determine whether the People app is synced with an account.
-
modify your contacts
Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
control vibration
Allows the app to control the vibrator.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
modify or delete the contents of your shared storage
Allows the app to write the contents of your shared storage.
-
com.fsck.k9.permission.REMOTE_CONTROL
-
com.fsck.k9.permission.READ_MESSAGES
-
com.fsck.k9.permission.DELETE_MESSAGES
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
Download APK
4.6 MiB
PGP Signature
