The best encrypted messaging apps can prevent others from snooping on your conversations. The best encrypted messaging apps can help protect your privacy. They make it difficult for anyone else to eavesdrop on your private chats and calls, including (in most cases) the companies running the apps. Some of these apps are developed and maintained by large corporations, while a few are run by startups.
Many of the best encrypted messaging apps are so heavily encrypted that even government agencies and police can’t break into them. End-to-end encryption means that only the sender and the recipient of a message or call can see or hear its content.