Report updated Apr 18, 2026
Mattermost Desktop
For high-impact organizations in defense, government, critical infrastructure, and regulated industries that require secure, sovereign, and mission-critical communication platforms.
Mattermost Desktop is an established business app that is available. With a 4.6/5 rating from 19.5K reviews, it shows polarized user reception. Users particularly appreciate self-hosting & open source value, though app stability and crashes remains a common concern.
What is Mattermost Desktop?
Current Momentum
v6.1
Requires Mattermost server v10.11.0+ to avoid incompatibilities and crashes. Requires Android 7.0 or higher. - Added support for AI rewrites when Agents is enabled on the server. - Permalink previews are now properly automatically translated. - Added support for filewillbedownloaded and sendtoastmessage plugin APIs. - Added various bug fixes.
Active Nemesis
Slack
By Slack Technologies
Other Rivals
7-Day Rank Pulse 🇺🇸
BusinessNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Full control over data with options for on-premises, private cloud, or air-gapped network hosting.
Orchestrate and execute repeatable processes using checklist-based workflows for incident response.
AI-powered assistant for drafting messages and summarizing long conversation threads.
How much does it cost?
- Free self-hosted server option
- Enterprise/Professional subscription plans for advanced security and compliance features
Focuses on B2B/Enterprise sales with a 'try before you buy' model via self-hosted servers, targeting high-security organizations that require data sovereignty.
Who Built It?
Mattermost
Providing secure, self-sovereign communication and workflow platforms for high-security and regulated industries. Enabling operational control through private cloud and on-premise deployment.
Portfolio
3
Apps
What other apps does Mattermost make?
Explore the full Mattermost report
Portfolio breakdown, audience, momentum, and every app published by Mattermost.
What do users think recently?
High confidence · 62 reviews analyzed · Based on 62 reviews. Signal may be noisy.
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate self-hosting & open source value, but report app stability and crashes.
What Users Love
What Frustrates Users
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Mattermost Desktop?
How's The Business Market?
Market outlook for this category
Available very soon
The rivals identified
The outtake for Mattermost Desktop
Strengths to defend, gaps to attack
Core Strengths
- Full data sovereignty and self-hosting capabilities
- Integrated workflow orchestration via Playbooks
- Open-source foundation
- Strong alignment with defense and regulated industry requirements
Critical Frictions
- Frequent mobile application crashes
- Persistent server synchronization and connectivity issues
- UI/UX rendering bugs
- High user churn risk due to instability
Growth Levers
- Expand market share in government sectors by emphasizing sovereign AI
- Improve mobile stability to capture users from less-secure platforms
- Enhance integration ecosystem to compete with Slack/Teams
- Leverage Copilot to drive enterprise-grade automation
Market Threats
- Established competitors (Slack/Teams) adding security features
- Reputational damage from ongoing mobile stability issues
- Potential for new, more stable open-source alternatives to emerge
- High cost of maintaining complex self-hosted infrastructure for customers
Key Takeaways
Mattermost Desktop is an established business app that is available. With a 4.6/5 rating from 19.5K reviews, it shows polarized user reception. Users particularly appreciate self-hosting & open source value, though app stability and crashes remains a common concern.
Where Is It Heading?
Trend analysis
Available very soon