Mattermost Oxide

Content rating
Rated for 12+
10+
Downloads
Content rating
Rated for 12+
Parental Guidance Recommended
Users Interact
Learn more
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About this app

Requires Mattermost Server v11.7.0+. 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. Mattermost Oxide is a rebuilt Mattermost mobile app, designed for better reliability and a smoother experience than the current app. It runs alongside the main Mattermost app and connects to your existing Mattermost server.

This is an early version: expect frequent changes between releases.

With Mattermost Oxide you can:
- Securely message your team in channels, direct messages, and group conversations.
- Keep critical workflows moving with Playbooks.
- Work with Mattermost Agents to bring AI into your conversations and workflows.
- Start 1:1 and group voice calls without leaving Mattermost.
- Ensure private mobility with ID-only push notifications to keep sensitive data protected while keeping stakeholders informed.

We ship updates frequently, and your feedback shapes what comes next: use Send Feedback in the ⋯ menu on the main screen.

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

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Host your own server: https://about.mattermost.com/download

Terms of Service: http://about.mattermost.com/terms/
Secure collaboration and agentic workflows for mission-critical teams
Updated on
Nov 11, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Messages and 6 others
  • Data is encrypted in transit

What’s new

• Agents: start a New chat from the Agents row and use your pinned skills under Custom prompts
• Set reminders with /remind, or pick a custom time from a post's menu
• Swipe to remove a server
• Biometric unlock, screen capture protection and secure file and PDF preview, per your organization's policy
• Microsoft Intune and expanded managed configuration support
• Fixed: read mentions in Activity, thread starters in Threads, centered classification banners, call audio
Content rating
Rated for 12+
Parental Guidance Recommended
Users Interact
Learn more

App support

About the developer
Mattermost, Inc.
2100 Geng Rd Ste 210 Palo Alto, CA 94303 United States
+1 519-212-4794