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Head-to-head · Secure Team Chat Software

Mattermost vs Teamwire

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Mattermost #2 in Secure Team Chat Software 9.2/10 Free plan Free plan✓ 1 of 4 features Visit Mattermost
Teamwire #8 in Secure Team Chat Software 8.2/10 15-day trial Free trial✓ 1 of 4 features Visit Teamwire

Mattermost leads on 1 check, Teamwire on 0, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMattermost · 9.2/10
  • Free planonly Mattermost
  • Free trialonly Teamwire

Mattermost scores higher on our rubric for secure team chat software: 9.2 against 8.2 out of 10; our editors rank them #2 and #8.

Mattermost offers free plan; Teamwire doesn't.

Mattermost is the better fit for technical teams needing workflows and integrations. Teamwire is the better fit for organizations needing regulated deployment options.

  • Mattermost fits best

    Technical teams needing workflows and integrations

  • Teamwire fits best

    Organizations needing regulated deployment options

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Side by side

Feature Mattermost 9.2/10 Visit ↗ Teamwire 8.2/10 Visit ↗
At a glance
Editor score 9.2 8.2
Ranking #2 in Secure Team Chat Software #8 in Secure Team Chat Software
Best for Technical teams needing workflows and integrations Organizations needing regulated deployment options
Pricing model Free plan + paid Paid
Starting price — €3.45/user/mo
Free plan ✓ (best) —
Free trial — 15 days
Deployment Cloud, Self-hosted, Desktop, Mobile Cloud, Self-hosted, Desktop, Mobile
Platforms Web, Windows, macOS, Linux, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Support Email, Tickets, Community, Docs Email, Phone, Tickets, Docs
Compliance ISO 27001, GDPR SOC 2, ISO 27001, GDPR, SSO/SAML, 2FA
Integrations 700+ integrations 10 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Mattermost 1/4 · Teamwire 1/4
Guest access ✓ ✓
File sharing Not checked yet Not checked yet
Audit logs Not checked yet Not checked yet
SSO support Not checked yet Not checked yet
Specs
End-to-end encryption Not checked yet Not checked yet
Message retention Not checked yet Not checked yet
Mobile apps Not checked yet Not checked yet
Our review
Pros
  • Self-hosted deployment across web, desktop, mobile, API, and private environments
  • Workflow automation, Boards, calls, AI agents, and threaded discussions
  • Integrations with GitHub, Jira, GitLab, PagerDuty, Grafana, and Microsoft Teams
  • Cloud, private-cloud, and on-premise deployment options
  • Emergency alerts, SOS, and acknowledgement tracking
  • Broad integrations, audit logs, and retention controls
Cons
  • Entry limits usage to 10,000 messages per month
  • The Professional plan has a 250-user maximum
  • Professional and Enterprise plans use contact-sales pricing
  • No free plan
  • Message history is limited by retention settings
  • Annual billing applies to listed entry prices
Our verdict

Mattermost is an open-source collaboration platform for technical, operational, defense, and critical-infrastructure teams. It combines public and private channels, direct and group messaging, file sharing, link and media previews,…

Read the review →

Teamwire is a secure business messenger for organizations and mobile teams, with particular relevance for public safety, critical infrastructure, healthcare, and government. It combines one-to-one, group, and broadcast chats with file,…

Read the review →
  1. MattermostSecure Team Chat Software 9.2Free plan
  2. TeamwireSecure Team Chat Software 8.215-day trial

Strengths and trade-offs

  • Mattermost — where it wins

    • Self-hosted deployment across web, desktop, mobile, API, and private environments
    • Workflow automation, Boards, calls, AI agents, and threaded discussions
    • Integrations with GitHub, Jira, GitLab, PagerDuty, Grafana, and Microsoft Teams

    Where it doesn't

    • Entry limits usage to 10,000 messages per month
    • The Professional plan has a 250-user maximum
    • Professional and Enterprise plans use contact-sales pricing

  • Teamwire — where it wins

    • Cloud, private-cloud, and on-premise deployment options
    • Emergency alerts, SOS, and acknowledgement tracking
    • Broad integrations, audit logs, and retention controls

    Where it doesn't

    • No free plan
    • Message history is limited by retention settings
    • Annual billing applies to listed entry prices

More comparisons

All secure team chat software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update