Development is supported by users like you. Feel free - Signal is a completely independent 501c3 nonprofit.Signal is optimized to operate in the most constrained environment possible. Go fast - Messages are delivered quickly and reliably, even on slow networks.Privacy isn't an optional mode - it's just the way that Signal works. Say anything - State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure.We can't read your messages or listen to your calls, and no one else can either. State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. Yes, Signal can make video calls to individuals and group calls for up to 40 participants. Both apps require a mobile phone number for accessing the service and both let you use only one phone and five other devices. This is all done by design as Signal is meant to be more private.īoth WhatsApp and Signal offer end-to-end encryption, for both messages and calls. WhatsApp offers cloud backup of your conversations, while Signal only stores message history locally, which means that chats would be lost if you lose your phone. Signal is open source and collects less user data, while WhatsApp purposely links user information to your account. While Signal and WhatsApp are similar in that they are both messaging platforms, they are built for serving two distinct purposes. These include one-on-one chat, voice, and video calls, as well as group chats. Using end-to-end encryption by default, Signal keeps all forms of communication on the platform as safe as they can be. Signal is the gold standard for private messaging apps at the moment. Signal's advanced privacy-preserving technology is always enabled, so you can focus on sharing the moments that matter with the people who matter to you. Send and receive high-fidelity messages, participate in HD voice/video calls, and explore a growing set of new features that help you stay connected. Millions of people use Signal every day for free and instantaneous communication anywhere in the world.

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