While some other secure-messaging apps that haven't reached WhatsApp or Telegram adoption levels have pivoted toward the enterprise market to stay afloat, Threema still has one foot planted firmly in the consumer market. In addition to the usual raft of messaging features such as encrypted text, voice, picture, and video messaging, the app also includes file sharing (20MB per file), emojis, group messaging and a polling system for getting feedback from friends and contacts. You'll also get a scannable QR code that you can present to other Threema users if you meet in person but don't want to exchange names. Otherwise, you can associate your account with an email address or phone number, which makes it easier for other Threema users to find you. When you fire up the app, it generates a unique Threema ID key, allowing you to use the app completely anonymously - no names required. Threema is a very secure end-to-end encrypted messaging app that uses the NaCl cryptography library to protect your communications. Here's our guide on how to use Signal.ĭownload Signal: Android (opens in new tab), iOS (opens in new tab) 2. User-friendliness without compromising on security makes Signal a fantastic option for users looking for an encrypted messaging and calling app. But unlike Facebook, Signal's parent company is a non-profit foundation created by an anarchist cryptographer and one of the founders of WhatsApp.Įase of use and strong, open-source, regularly audited encryption makes Signal a favorite of the security-conscious, with accolades from Edward Snowden and other privacy advocates. Signal's encryption protocol is so strong that WhatsApp and Facebook Messenger use it too. A new update lets you change phone numbers while keeping Signal account data as long as you're staying on the same device. You can transfer Signal accounts (opens in new tab) from one Android phone to another, and from one iOS device to another. A Chrome browser plugin (opens in new tab) lets you use Signal from your desktop as well. Recent updates have added user-friendly features such as custom wallpapers and animated stickers, and Signal group video chats can now have up to 40 participants.Īll Signal messages can be set to self-destruct after a certain amount of time. For Wickr’s full secure communications line-up, visit /all-products.You can send text messages, voice calls, group messages, media and attachments to your phone contacts, all without having to mess with PIN codes or special login credentials. Wickr Me, our free (ad-free) flagship app, is the most trusted and secure messenger platform, powered by the world’s most advanced multi-layered encryption and ephemerality trusted by millions of users worldwide. The source code is available here: () and documented here: /security.Īt Wickr our mission is to provide a secure communication platform trusted by individuals, teams, and corporations, across industries, sizes and scale, to manage their most valuable communications. ![]() Wickr Messaging protocol enables strong end-to-end encryption and perfect forward and backward secrecy for user content.Device-to-device encryption - each message, file, and call (each 512 packets) are encrypted with a new key so it's near impossible to break.Configurable Expiration Timer – Set the expiration time on all your messaging content.Open source code for transparency and audit by the crypto community and open for audit.Shredder – Overwrites all deleted Wickr content on your device.Communicate in private groups of up to 10 users.Wickr’s code, policies, and security practices have been verified by the most respected security research teams in the industry.Wickr does not store any metadata associated with your communications.Your address book remains private and is not stored on our servers. ![]() No phone number or email address is required to register on Wickr Me.Wickr never has access to your messages or your contact list. ![]() Every message is encrypted with a new key using advanced vetted end-to-end encryption.Users Trust Wickr Me for Their Most Critical Communications: Take full control over who has access to your content and how long it remains accessible. With Wickr Me, you can instantly connect with your friends 1:1 or in groups - now with fully encrypted voice calling, voice memos - new additions to the trusted end-to-end secure sharing of files, images, and videos.
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