Chain3D is an Android app developed by Alphapolygon (Perämiehenkatu 7 c 9b 00120 Helsinki).

Chain3D first became available on 21 Oct 2012. It is estimated that Chain3D has been downloaded between 50000 and 100000 times from the Play Store.

Chain3D 1.2.7 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 using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.

Allows an application to write to external storage.