Viivo is an Android app developed by PKWARE, INC. (PKWARE, Inc201 E. Pittsburgh Ave. Suite 400Milwaukee, WI 53204).

Viivo first became available on 31 Oct 2012. It is estimated that Viivo has been downloaded between 10000 and 50000 times from the Play Store.

Viivo 3.1.582 requires the following permissions:

Allows applications to access information about networks.

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

Allows applications to open network sockets.

Allows an application to read the user's contacts data.

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.