Internal Speaker Tester is an Android app developed by Valo AI (Gorriti 4290 - Buenos Aires, Argentina).

Internal Speaker Tester first became available on 23 Sep 2014. It is estimated that Internal Speaker Tester has been downloaded between 100000 and 500000 times from the Play Store.

Internal Speaker Tester 3.3 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

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 record audio.

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

Allows an application to write to external storage.