Apps similar to KryptEY include Signal, which is free and open source. Other options are Telegram, WhatsApp, SimpleX Chat and Jami. There's no shortage of Instant Messengers like KryptEY, with more than 50 alternatives for Android, iPhone, Windows, Linux and Mac.
Status combines a private messenger, secure crypto wallet, and Ethereum Web3 DApp browser into one powerful communication tool. Chat with friends and growing communities. Buy, sell, store, and exchange digital assets.
Germany
EU
Deku SMS is a feature-rich, open-source default SMS app designed to enhance your messaging experience while prioritizing your privacy and security. With Deku SMS, you can seamlessly send and receive end-to-end encrypted SMS messages, ensuring that your conversations remain...
ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing accounts on Facebook or Google, create new accounts on public XMPP servers(including via Tor), or even connect to your own server for extra security.
United States
United States
Off-the-Record (OTR) Messaging allows you to have private conversations over any instant messaging (MSN,Gtalk, Facebook and so on) by providing encryption, authentication, deniability, perfect forward secrecy
SchildiChat is a Matrix client based on Element with a more traditional instant messaging experience.
GermanyEU
FranceEU
Speek! is the first messenger that is anonymous and censorship-resistant by design. Speek! messenger encrypts all messages and is secure, private and decentralized.
EstoniaEU
Protect your communication in transit and on your phone. Silence (formerly SMSSecure) is a full replacement for the default text messaging application: all messages are encrypted locally and messages to other Silence users are encrypted over the air.
A great way to stay in touch with your relatives, by sending both SMS and MMS messages. The app properly handles group messaging too, just like blocking numbers from Android 7+.
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