vioscaleAI
Comparison

Mattermost vs Rocket.Chat

No clear leader: Mattermost (67.0) and Rocket.Chat (66.6) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Mattermost full profile →Rocket.Chat full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Mattermost67
Rocket.Chat67
Score
vioscaleAI score
Mattermost67 / 100medium · 65%
Rocket.Chat67 / 100high · 75%
Pricing
Free tier
Mattermost✓
Rocket.Chat✓
Model
Mattermostfreemium
Rocket.Chatfreemium
Price level
Mattermostlow
Rocket.Chatlow
Transparent
Mattermost✗
Rocket.Chat✗
Integrations
Count
Mattermost700
Rocket.Chat50
Security
Certifications
Disclosure policy
Mattermost✓
Rocket.Chat✓
Gdpr
Mattermost✓
Rocket.Chat✓
Hipaa
Mattermost–
Rocket.Chat✓
Iso27001
Mattermost–
Rocket.Chat✓
Scorecard
Mattermost7.3
Rocket.Chat8.7
Soc2
Mattermost–
Rocket.Chat✓
Trust center
Vulnerabilities
Reliability
Status page
Mattermost✓
Rocket.Chat✓
Adoption
Dependent repos
Mattermost371
Rocket.Chat339
Github stars
Mattermost39,264
Rocket.Chat46,211
Activity
Commits last 30d
Mattermost100
Rocket.Chat100
Release
Cadence days
Mattermost1
Rocket.Chat1
History
Mattermost20 items
Rocket.Chat20 items
Language
Primary
MattermostTypeScript
Rocket.ChatTypeScript
Market
Availability
Content
Faq
Mattermost7 items
Rocket.Chat6 items

Capabilities

Feature-by-feature on the axes that matter for collaboration software. “-” means undocumented, not absent.

Modality
Messaging
Mattermost✓
Rocket.Chat✓
Video meetings
Mattermost✗
Rocket.Chat✓
Whiteboard
Mattermost✗
Rocket.Chat-
Meetings
Screen sharing
Mattermost✓
Rocket.Chat✓
Recording / transcription
MattermostRecording + AI notes
Rocket.ChatRecording
Security
End-to-end encryption
Mattermost-
Rocket.Chat✓
SSO / SCIM
Mattermost✓
Rocket.Chat✓
Access
Guest / external access
Mattermost✓
Rocket.Chat✓
Compliance
Compliance controls
Mattermost✓
Rocket.Chat✓
Deployment
Hosting
MattermostCloud + self-hosted
Rocket.ChatCloud + self-hosted
Scale
Max participants
Mattermost-
Rocket.Chat4000+
Ecosystem
App marketplace
Mattermost✓
Rocket.Chat✓
Public API / bot framework
Mattermost✓
Rocket.Chat✓
Commercial
Free tier
Mattermost✓
Rocket.Chat✓

What each one is

The product in its own terms, so the numbers below have context.

Mattermost

Mattermost is a self-hosted or cloud-based collaboration platform offering secure messaging, voice calling, screen sharing, workflow automation, and AI-assisted tools for teams and enterprises.

Independently observed

Rocket.Chat

Rocket.Chat provides real-time messaging, voice, video conferencing, and third-party integrations designed for organizations with strict security and compliance requirements. It supports deployment in cloud, on-premise, hybrid, and air-gapped environments for defense and critical infrastructure operations.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Mattermost

HybridFree tier
  • Enterprise Edition E10-
  • Enterprise Edition E20-
as of verify ↗

Rocket.Chat

Quote-basedFree tier
  • StarterFree
  • CommercialContact sales
  • GovernmentContact sales
  • DefenseContact sales
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Mattermost✓
Rocket.Chat✓
iOS
Mattermost✓
Rocket.Chat✓
Android
Mattermost✓
Rocket.Chat✓
macOS
Mattermost✓
Rocket.Chat✗
Windows
Mattermost✓
Rocket.Chat✗
Linux
Mattermost✓
Rocket.Chat✓
CLI
Mattermost✗
Rocket.Chat✓
Deployment
Cloud / SaaS
Mattermost✓
Rocket.Chat✓
Self-hosted
Mattermost✓
Rocket.Chat✓
On-premise
Mattermost✓
Rocket.Chat✓
Hybrid
Mattermost✗
Rocket.Chat✓
Air-gapped
Mattermost✓
Rocket.Chat✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (5)
  • Slack
  • GitLab
  • GitHub
  • Pexip
  • Trello

Mattermost

26 total - 21 not shared
  • Git
  • Jenkins
  • Twitter
  • Bugzilla
  • RSS
  • Gerrit
  • Redmine
  • Mercurial
  • SVN
  • Threema
  • Prometheus
  • Grafana
  • Microsoft Teams
  • Matrix
  • XMPP
  • ServiceNow
  • PagerDuty
  • Splunk
  • Nagios
  • Ansible
  • Matterbridge
Independently observed

Rocket.Chat

36 total - 31 not shared
  • Bitbucket Cloud
  • Google Drive
  • Google Calendar
  • Google Workspace
  • Loom
  • WhatsApp
  • Jira
  • Bitbucket
  • Salesforce CRM
  • Hubspot CRM
  • Confluence
  • Google Meet
  • Dropbox
  • Telegram
  • Facebook Messenger
  • Instagram
  • BigBlueButton
  • ChatGPT
  • Rocket.Chat AI
  • Zapier
  • Bamboo
  • ClamAV
  • Zoom
  • Confluence Cloud
  • +7 more
Independently observed
Still deciding?

Mattermost or Rocket.Chat: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.