Turkey's "Whatsapp-killer"

The Turkish government announced the release of their "Whatsapp-killer", PttMessenger.

According to government officials, their software is safer than Whatsapp, since it

doesn't store any data on servers, so it is impossible to access information by unauthorized users.

Considering the vast history of Turkey with human rights, is there really anybody that believes that their government does not have access to all the message being sent via this app?

Maybe the RakeM-app is worth looking into, after all:

Although this commercial does not really give me much confidence...