Comm Messenger vs Privitty Communicator

- In Comm, each community is hosted on somebody's keyserver. - You can set up a keyserver on your laptop or in the cloud. - Comm won't host your keyserver for you. (We don't want to have access to your data!) - You don't need a keyserver to join a community, but you do need one to create a community. Keyservers enable us to offer the sort of sophisticated feature set that typically relies on corporate servers on the cloud, without sacrificing the privacy of our users. - Each community on Comm contains a tree structure of chat threads. Our threads are sort of like channels in Discord, but they can be nested inside each other. - Comm supports "sidebars", which are sort of like threads in Slack. Sidebars are created in response to a message in a parent thread. - Along with the default chat functionality, Comm also supports a library of apps to customize your community. We're launching with a Calendar app, and have more apps in the pipeline!

Privitty is a privacy-first, decentralized messaging app built for users who demand real control over their data. With enterprise-grade encryption, true message revocation, and peer-to-peer communication, your conversations stay yours, always. Features at a glance: - Anonymous. Instant onboarding without phone, email, or personal data. - Flexible. Multiple profiles, easy multi-device sync. - Extensible. Embed tools, shopping lists, calendars, games, directly in chats. - Reliable. Offline-first; works under poor or adversarial networks. - Secure. Audited end-to-end encryption with metadata obfuscation. - Sovereign. Use your own server or pure peer-to-peer mode. Privacy Controls: - True Revoke. Permanently retract messages and files — even after delivery. - Recipient-Only Access. Only your intended contacts can decrypt and view data. - Time-Based Access. Grant ephemeral permissions — files and links auto-expire. - Secure Vaults. Granular, cryptographically enforced storage and sharing. - Metadata Defense. Routing obfuscation and planned anonymous modes. Background Activity & Notifications: Privitty uses Apple push notifications (APNs) to alert you of new messages when the app isn't active, and Background App Refresh to keep your secure connection ready with minimal delay. When background activity is needed to maintain your messaging session — such as during encrypted backup export/import or multi-device account transfer — Privitty shows a clear on-screen or notification-center indicator so you always know what's running. No background activity happens without visibility to you. Privitty: decentralized messaging meets next-level data sovereignty. Download now!