Private alternatives to WhatsApp

ThreemaAudited

App

Swiss messenger you buy once; it works with a random Threema ID, no phone number or email required.

• No tracking
• Partly open
• End-to-end encrypted
• No account
• Paid

SimpleX ChatAudited

App

Messenger with no user IDs at all: contacts connect through one-time links, so there is no number or username to leak.

• No tracking
• Open source
• End-to-end encrypted
• No account
• Free

Molly

App

Hardened Android build of Signal that adds a passphrase-locked database and talks to the same Signal network.

• No tracking
• Open source
• End-to-end encrypted
• Account needed
• Free

SessionAudited

App

Encrypted messenger that gives you a random ID instead of asking for a phone number, and routes messages through an onion network.

• No tracking
• Open source
• End-to-end encrypted
• No account
• Free

Delta ChatAudited

App

Messenger that runs over email: it creates an encrypted address for you on a chat-only server, no phone number asked.

• No tracking
• Open source
• End-to-end encrypted
• No account
• Free

OlvidAudited

App

French messenger that works without a phone number or email; you add contacts by scanning or sharing a code.

• No tracking
• Partly open
• End-to-end encrypted
• No account
• Free plan