MattermostPricing 2026: Plans, Costs & Best Value
Open source Slack alternative. Mattermost offers a free plan with unlimited users, plus 2 paid tiers.
4.3
Editorial RatingFree (Self-hosted)
Free
- Unlimited users
- Unlimited message history
- File sharing
- Native apps
Mattermost Free Plan
Mattermost's free tier includes:
- Unlimited users
- Unlimited message history
- File sharing
- Native apps
Upgrade to Professional starting at $10/mo for additional features.
Mattermost: Pros & Cons
Pros
- Complete data sovereignty with self-hosted deployment
- Open source with no vendor lock-in
- Slack-like familiar interface
- Air-gapped deployment possible for high-security orgs
- Strong compliance and audit logging
- Active community and development
Cons
- Self-hosting requires significant DevOps expertise
- Mobile apps noticeably inferior to Slack/Teams
- Smaller app ecosystem than commercial alternatives
- Complex initial setup
- Performance depends heavily on server resources
Is Mattermost Worth It?
Mattermost's free plan is a solid starting point with a generous feature set. For individuals and small teams, the free tier may be all you need.
With an editorial rating of 4.3/5, Mattermost scores well in the Team Communication category. Before committing, consider comparing it against alternatives to ensure it fits your workflow and budget.
Price History
UpdateProfessional·Apr 22, 2026
Mattermost removed public pricing, all paid plans now Contact Sales
Detected by automated price watch. Professional was $10/user/mo, now requires contacting sales.