SAY-U is an Android app developed by E8 Ink. (東京都渋谷区渋谷1-11-16　渋谷111ビル　４F).

SAY-U first became available on 17 Apr 2015. It is estimated that SAY-U has been downloaded between 100000 and 500000 times from the Play Store.

SAY-U 4.0.0 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Allows access to the list of accounts in the Accounts Service.

Allows applications to open network sockets.

Allows applications to open network sockets.

Allows an application to manage access to documents, usually as part of a document picker.

Allows an application to modify global audio settings.

Allows an application to read from external storage.

Allows an application to read the low-level system log files.

Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.

Allows an application to record audio.

Allows access to the vibrator.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.

Allows an application to write to external storage.