By Mattermost
Report updated Apr 18, 2026
Mattermost
For defense, intelligence, security, and critical infrastructure organizations that require sovereign data control and high-security communication.
Mattermost is an established business app that is available. With a 4.6/5 rating from 25K reviews, it shows polarized user reception. Users particularly appreciate self-hosting & open source, though app stability and crashes remains a common concern.
What is Mattermost?
Current Momentum
v2.39
Devices with iOS 16.0+ are required. Server version v10.11.0 or later is required. - 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. - Fixed an issue where option descriptions were not readable due to spacing. - Fixed an issue where profile popovers did not show message/mention actions in Direct Message contexts when viewing someone other than the current Direct Message teammate (e.g., from an at-mention). - Fixed an issue where updates in the roles would not be reflected in the mobile app. - Fixed an issue where the connection banner did not disappear if the user had no connection to the internet. - Fixed an error where changes in the channel level roles permissions were not visible in the mobile app. - Fixed an issue where collapsing the Sources citations panel in Agent responses could briefly overlap the content below it. - Fixed an issue with inconsistent permalink error messages between desktop and mobile.
Active Nemesis
Element Classic
By Vector Creations
Other Rivals
7-Day Rank Pulse 🇺🇸
BusinessNo ranking data
Rating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Full control over data and infrastructure by running the server on-premises or in private clouds.
Automated, repeatable workflows to manage incident response and complex operational processes.
Centralized management of mobile endpoints to ensure security and compliance policies.
How much does it cost?
- Free self-hosted version for community use
- Enterprise subscription tiers for advanced security, compliance, and support
Focuses on B2B/B2G enterprise sales with a 'try-before-you-buy' model via 1-hour preview environments and self-hosted deployment options.
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
Who is Mattermost?
Mattermost differentiates itself by prioritizing operational sovereignty and data control, positioning its platform as a secure alternative to consumer-grade messaging tools for defense, intelligence, and critical infrastructure. Their moat is built on the ability to support self-hosted and private cloud environments, which is a critical requirement for organizations that cannot rely on public SaaS infrastructure. The strategic tension lies in balancing their open-source roots with the enterprise-grade security and compliance features required to maintain their foothold in highly regulated sectors.
Who is Mattermost for?
- Technical teams
- Government agencies
- Organizations in critical infrastructure requiring high-security
- Sovereign communication tools
Portfolio momentum
Released 8 updates across 3 apps in the last 6 months with consistent maintenance of core business communication tools.
What other apps does Mattermost make?
What do users think recently?
High confidence · 99 reviews analyzed · Based on 99 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate self-hosting & open source, but report app stability and crashes.
What Users Love
What Frustrates Users
What is the competitive landscape for Mattermost?
How's The Business Market?
How does it evolve in the Business market?
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇫🇮 Finland | Business | AndroidFree | #161 | ▲2 |
| 🇭🇰 Hong Kong | Business | AndroidFree | #183 | ▲1 |
The rivals identified
The Nemesis
Element Classic
★3.4 (7.5K)Vector Creations Limited
⚡Competes on high-security, decentralized, and self-hosted communication infrastructure for sensitive organizations.
Head-to-head analysis pending — refresh this report for a detailed comparison.
Contenders
White Label Customization
Push Notifications
Zulip
★3.6 (666)Kandra Labs, Inc.
🚀Offers a self-hosted, thread-based communication platform favored by technical and mission-critical teams.
Peers
Slack Connect
Slack AI
Microsoft 365 Copilot
Teams Phone
Signal Protocol Encryption
Pumble
★4.7 (1.3K)CAKE.com
⚡A team chat alternative that offers a more cost-effective approach to business communication.
New Kids on the Block
Session - Private Messenger
★4.6 (24K)Session Foundation
Rising threat in the privacy-first communication space with decentralized architecture that appeals to security-conscious users.
Zozulya (Hourly Beeper)
0Volodymyr Kondratenko
🚀Innovative universal messaging aggregator that is gaining traction by unifying fragmented communication channels.
The outtake for Mattermost
Strengths to defend, gaps to attack
Core Strengths
- Strong brand reputation in high-security sectors
- Robust self-hosting capabilities
- Clear focus on data sovereignty
Critical Frictions
- Poor mobile app stability
- Recurring notification bugs
- Sync issues
Growth Levers
- Expanding into regulated industries like finance and healthcare
- Improving the 'first-run' experience for enterprise admins
Market Threats
- Established giants like Microsoft Teams adding more 'sovereign cloud' features
- Emerging decentralized messengers
Key Takeaways
Mattermost is an established business app that is available. With a 4.6/5 rating from 25K reviews, it shows polarized user reception. Users particularly appreciate self-hosting & open source, though app stability and crashes remains a common concern.
Where Is It Heading?
Trend analysis
Available very soon