Mattermost vs AWS Wickr

Mattermost9.2Visit AWS Wickr8.9Visit

Higher score Mattermost #2 in Secure Team Chat Software 9.2/10 Free plan Free plan✓ 1 of 4 features Visit Mattermost

vs

AWS Wickr #4 in Secure Team Chat Software 8.9/10 Paid ✓ 4 of 4 features Visit AWS Wickr

• Mattermost fits best

  Technical teams needing workflows and integrations

• AWS Wickr fits best

  Security-focused organizations needing enterprise controls

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Side by side

Feature	Mattermost 9.2/10 Visit ↗	AWS Wickr 8.9/10 Visit ↗
At a glance
Editor score	9.2	8.9
Ranking	#2 in Secure Team Chat Software	#4 in Secure Team Chat Software
Best for	Technical teams needing workflows and integrations	Security-focused organizations needing enterprise controls
Pricing model	Free plan + paid	Paid
Starting price	—	$5/user/mo
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud, Self-hosted, Desktop, Mobile	Cloud, Self-hosted
Platforms	Web, Windows, macOS, Linux, iOS, Android	Web, Windows, macOS, Linux, iOS, Android
Support	Email, Tickets, Community, Docs	Docs
Compliance	ISO 27001, GDPR	SOC 2, ISO 27001, HIPAA
Integrations	700+ integrations	6 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Mattermost 1/4 · AWS Wickr 4/4
Guest access	✓	✓
File sharing	Not checked yet	✓ (best)
Audit logs	Not checked yet	✓ (best)
SSO support	Not checked yet	✓ (best)
Specs
End-to-end encryption	Not checked yet	Default
Message retention	Not checked yet	Not checked yet
Mobile apps	Not checked yet	Both
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	Default end-to-end encryption for messages and file sharing Calls for up to 100 participants, guest access, and federation SSO, retention controls, audit logs, and self-hosted deployment options
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 always-free plan; paid service starts at $5 per user monthly Data retention and unlimited administrative controls require Premium Larger file attachments require Premium rather than Standard
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 →	AWS Wickr is a secure collaboration service for businesses and public-sector organizations that need protected messaging alongside administrative controls. It supports encrypted one-to-one and group chats, rooms, file sharing, screen… Read the review →

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

• AWS Wickr — where it wins

  • Default end-to-end encryption for messages and file sharing
  • Calls for up to 100 participants, guest access, and federation
  • SSO, retention controls, audit logs, and self-hosted deployment options

  Where it doesn't

  • No always-free plan; paid service starts at $5 per user monthly
  • Data retention and unlimited administrative controls require Premium
  • Larger file attachments require Premium rather than Standard

• Mattermost9.2/10 · Free plan

  A broad, open-source team chat platform for technical teams that need control and integrations.

  Visit MattermostFull verdict →
• AWS Wickr8.9/10 · Paid

  A security-focused team chat with enterprise controls, broad platform support, and no always-free plan.

  Visit AWS WickrFull verdict →