One of the most popular apps of this category goes by the name of WhatsApp Sniffer, the APK of which you can download from this page, although we must advise you that it's not worth wasting your time. The app that intends to break WhatsApp's encryption. Obviously, none of these apps are available on Google Play, firstly because they're a violation of the user's privacy, and secondly because the majority of them are a scam and don't do anything they promise.

That's why nobody should be surprised that now and again applications that promise to provide us with the tools necessary to spy on the conversations of friends and strangers pop up out of the blue so that we can find out what they're talking about behind or back. And the most important channel of communication of our time also has to put with this problem: instant messaging and its undeniable leader, WhatsApp Messenger. Since the beginning of time, mankind has always managed to invent mechanisms to spy on his fellow humans and find out what is being said in conversations that have nothing to do with him.

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