Sound Frequencies is an Android app developed by WrenchSoft (Ing. Michal Rothanzl Třetí 349 Chyňava 267 07).

Sound Frequencies first became available on 12 Jan 2014. It is estimated that Sound Frequencies has been downloaded between 10000 and 50000 times from the Play Store.

Sound Frequencies 1.3.8 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 an application to write to external storage.