Turkey has launched a domestic messaging app to rival Facebook's popular WhatsApp Messenger service, raising concerns among government critics that Ankara (capital of Turkey) could use the new platform to tighten surveillance and bolster an 18-month-old crackdown. From a report: The app, called PttMessenger after Turkey's Post and Telegraph General Directorate (PTT), was introduced in a limited roll-out to state institutions and some private companies this week. It is expected to be publicly available in six months. PttMessenger will provide a "system safer than WhatsApp," government spokesman Bekir Bozdag told a news conference. "Since no data is stored with the host, it will be impossible to access these data. A system safer than WhatsApp has been developed." Critics cast doubt on the suggestion PttMessenger data could not be retrieved, fearing it will give authorities greater ability to monitor dissent, pointing to the widespread crackdown that was launched after a failed military coup in July 2016.