End to End Encrypted Messaging Apps

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Threema

Threema is a completely independent and fully self-financed Swiss company based in the Zürich metropolitan area.

  • End-to-end encrypts all your communication including messages, voice calls, group chats, files and even status messages. Only the intended recipient, and nobody else can read your messages.
  • No Ad
  • No Phone Number Required
  • GDPR-complaint

Signal

Signal is an Open Source project supported by grants and donations, Signal can put users first. There are no ads, no affiliate marketers, no creepy tracking. Just open technology for a fast, simple, and secure messaging experience. The way it should be.

Need phone number to register.

Telegram

Telegram is a messaging app with a focus on speed and security, it’s super-fast, simple and free. You can use Telegram on all your devices at the same time — your messages sync seamlessly across any number of your phones, tablets or computers.

With Telegram, you can send messages, photos, videos and files of any type (doc, zip, mp3, etc), as well as create groups for up to 200,000 people or channels for broadcasting to unlimited audiences. You can write to your phone contacts and find people by their usernames. As a result, Telegram is like SMS and email combined — and can take care of all your personal or business messaging needs. In addition to this, it support end-to-end encrypted voice calls.

Cons: Need phone number to register.

WhatsApp

Cons: Need phone number to register and want to sync your phone book to WhatsApp server. Please note Facebook own WhatsApp and Facebook have history does not do a good job on protect user privacy. There is report about Facebook expose millions of its users phone number online.

Hundreds of millions of phone numbers linked to Facebook accounts have been found online.

The exposed server contained more than 419 million records over several databases on users across geographies, including 133 million records on U.S.-based Facebook users, 18 million records of users in the U.K., and another with more than 50 million records on users in Vietnam.

Some of the records also had the user’s name, gender and location by country.

https://techcrunch.com/2019/09/04/facebook-phone-numbers-exposed/

If you want to keep your privacy, you should avoid use app need your phone book permission and sync your phone book online.


Page version: efe0055 2022-02-15