Unlock.io is an Android app developed by SDWebs. Others apps created by SDWebs are: UnlockPhone.co.

Unlock.io first became available on 26 Jan 2013. It is estimated that Unlock.io has been downloaded between 1000000 and 5000000 times from the Play Store.

Unlock.io 2.0 requires the following permissions:

Allows applications to open network sockets.

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.