Messenger vs Session

Messenger is Meta’s free messaging app for chatting and calling friends and family on Facebook and Messenger without needing a phone number. It is available on Android, iOS, macOS, web, and Windows. Alongside messages and voice and video calls, it supports high-definition photos, animated stickers, GIFs, reactions, and chat themes. Stories photos and videos and shared Notes disappear after 24 hours, while sent messages can be edited for up to 15 minutes. Meta AI can answer questions, give advice, and help with homework, but is available only in select languages and countries. Meta says personal messages are becoming end-to-end encrypted by default, protecting message and call content in transit from Meta seeing or hearing it. Encrypted chat history can be saved in secure storage and accessed with a six-digit PIN or a key stored in Google Drive or iCloud. Disappearing messages are available only in end-to-end encrypted conversations and last 24 hours. The desktop apps for Windows and macOS offer group video calls, notifications, and chats synced across mobile and desktop.

Session is a decentralized, end-to-end encrypted messaging app for Android, iOS, Linux, macOS, and Windows. Account creation does not require a phone number or email address. Its onion-request routing is designed so no single server knows both the origin and destination of a message. The app supports disappearing messages and encrypted group chats for up to 100 people. Attachments can be up to 10MB; they are encrypted on the device and stored through the Session File Server. Communities are self-hosted public channels, but are not fully end-to-end encrypted. Voice and video calling are beta features for one-to-one calls only, using peer-to-peer networking; calls can expose a user’s IP address to the call partner and an STF-operated STUN/TURN server. The code is open source, and the desktop, Android, and iOS clients have been audited by Quarkslab. The free plan includes encrypted messaging and attachments up to 10MB. Pro costs $2.99 a month and adds messages up to 10,000 characters, unlimited pinned conversations, animated display pictures, and badges.