YDS is an Android app developed by Turkcell İletişim Hizmetleri A.Ş (Soğanlık Yeni Mh. Pamukkale Sokak No:11, 34843 Kartal/İstanbul). Others apps created by Turkcell İletişim Hizmetleri A.Ş are: gnçtrkcll, GollerCepte, Hesabım, GollerCepte 1903, GollerCepte 1907, UpCall, Turkcell Platinum, lifebox.

YDS first became available on 21 Feb 2014. It is estimated that YDS has been downloaded between 10000 and 50000 times from the Play Store.

YDS 1.3 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 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.