Crumble Zone is an Android app developed by Rebel Twins (Ul. Wojciecha Michała Drzymały 100F Radom, 26-606 Poland).

Crumble Zone first became available on 21 Mar 2013. It is estimated that Crumble Zone has been downloaded between 500000 and 1000000 times from the Play Store.

Crumble Zone 1.08 requires the following permissions:

Allows applications to access information about 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 write to external storage.