With over 3 billion users globally, WhatsApp is a popular instant messaging app that offers end-to-end encryption, ensuring that all messages and calls are secure. Owned by Meta (formerly Facebook), WhatsApp provides features such as personal chatting, group chat, voice calls, video calls, status updates, and online payment. While some users may have concerns about its connection to Meta, given the company’s history with data privacy issues, WhatsApp remains a secure option for communication.
Signal is widely regarded as one of the most secure messaging apps available today. Developed by Moxie Marlinspike and Brian Acton in 2014, Signal offers end-to-end encryption by default for all messages and calls. The app is open-source, meaning its code is publicly available for inspection, which adds an extra layer of trust. Signal also includes features like disappearing messages and the ability to send encrypted voice and video calls, making it a top choice for those prioritizing privacy.
3. Viber
Viber is a free messaging and calling app available for Android, iOS, and Windows devices. It provides end-to-end encryption, self-destructing messages, and the ability to delete seen messages. Viber also offers a variety of features including group chats, stickers, and GIFs.
4. Threema
Threema is a private chat messaging app that prioritizes user privacy and security. Its guiding principle is to minimize metadata, ensuring that no data is misused. To achieve this, Threema’s servers permanently delete messages after they are delivered to the recipient, eliminating the risk of data misuse.
5. Microsoft Teams
Microsoft Teams is more than just an instant messaging app – it’s a comprehensive collaboration platform integrated with Microsoft 365. It offers end-to-end encryption, making it a secure option for businesses and educational institutions. Users can conduct video conferences, share files, and collaborate in real-time, all within a secure environment.
6. Line
Line is a popular alternative to both Telegram and Microsoft Teams, operated by the Japanese company LY Corporation, co-owned by SoftBank Group. This platform offers secure messaging Letter Sealing is LINE’s end-to-end encryption protocol encryption. It also have a features like file sharing and free calling , Emoji and more.