TTS Service Extended is an Android app developed by Eyes-Free Project. Others apps created by Eyes-Free Project are: Eyes-Free Shell, eSpeak TTS, Keyboard Tutor, Set Orientation, Shades, Rock Lock.

TTS Service Extended first became available on 30 Aug 2010. It is estimated that TTS Service Extended has been downloaded between 5000000 and 10000000 times from the Play Store.

TTS Service Extended 3.1 requires the following permissions:

Allows applications to open network sockets.

Allows an application to read from external storage.

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 write to external storage.