Thief X is an Android app developed by Voltage, Inc. (〒150-6028渋谷区恵比寿4-20-3恵比寿ガーデンプレイスタワー28F). Others apps created by Voltage, Inc. are: Kiss of Revenge, Love 365, Samurai Love Ballad: PARTY.

Thief X first became available on 28 Dec 2012. It is estimated that Thief X has been downloaded between 100000 and 500000 times from the Play Store.

Thief X 9.9 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

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

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 access to the vibrator.

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

Allows an application to write to external storage.