Requires Mattermost Server v10.5.0+. Older servers may not be able to connect or have unexpected behavior.

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Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. The platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control.

- Securely share messages, files, and links across from your preferred mobile devices.
- Start 1:1 and group voice calls with a single click without leaving Mattermost.
- Keep critical workflows moving forward with Playbook
- Get the message out without having to manage every endpoint with Enterprise Mobility Management (AppConfig) support.
- Private mobility with ID-only push notifications to keep sensitive data protected while keeping stakeholders informed

To use this app, you need a URL for a Mattermost server.