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Mattermost vs When2meet: Pricing Comparison 2026

Side-by-side pricing comparison of Mattermost and When2meet. See all plans, features, and costs at a glance.

Bottom line: Both Mattermost and When2meet offer free plans. Mattermost has 4 pricing tiers while When2meet has 4.

Last updated: March 16, 2026

Data compiled by Arthur Jacquemin
Updated March 16, 2026
Try Mattermost freeTry When2meet free

Mattermost vs When2meet: Quick Pricing Facts

FeatureMattermostWhen2meet
Starting PriceCustom pricing$5/mo
Number of Plans44
Free TierYesYes
Pricing Modelopen-sourcefreemium
Annual DiscountN/AN/A

Mattermost and When2meet are both priced at Custom pricing, making them equally accessible Communication tools. Together they offer 8 pricing plans with 34 features compared, so the best choice comes down to which features match your needs.

Both tools offer free plans, making them accessible for teams on a budget. Mattermost uses open-source pricing while When2meet uses freemium pricing, which may affect your total cost at scale.

Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Communication needs.

Pricing Plans
Mattermost
Mattermost
Try it free
When2meet
When2meet
Try it free
Tier 1
Free
$0/monthCheapest
Includes
  • Limited-use edition of Enterprise Advanced for technical evaluation
Start with Free
Free
$0/monthCheapest
Includes
  • No contact or billing information required
Start with Free
Tier 2
Professional
Custom pricing
Includes
  • Channel-based collaboration
  • Messaging, file sharing, and link and file previews across device platforms
  • 1:1 audio calls and screen sharing
  • Threaded discussions
  • Core search up to 3 million posts
  • Custom branding, themes, and emojis
  • Multi-team collaboration
  • Guest accounts
  • Single sign-on
  • Professional Support
Start with Professional
Basic
$5/monthCheapest
$0 / year
Start with Basic
Tier 3
Enterprise
Custom pricing
Includes
  • Everything in Professional, Plus:
  • Agentic Platform
  • Real-time channel briefing
  • AI-enhanced Search and RAG
  • Video Integrations
  • Federated Communications
  • Workflow automation
  • Compliance export and eDiscovery automation
  • Scale to 50,000 concurrent users
  • Enterprise Support
  • U.S. Based Premier Support
Start with Enterprise
Standard
$10/monthCheapest
$1 / year
Start with Standard
Tier 4
Enterprise Advanced
Custom pricing
Includes
  • Everything in Enterprise, Plus:
  • Security-Optimized Mobility
  • Mobile Data-at-Rest Encryption
  • Zero Trust Security
  • Dynamic Attribute Based Access Controls
  • Automatic channel translations
  • Scale to 200,000 concurrent users
  • Dedicated write-through caching
  • Air-gapped Deployment
  • Mobile Screenshot Prevention
  • Mission Partner Environments
Start with Enterprise Advanced
Premium
$20/monthCheapest
$2 / year
Start with Premium

Swipe to compare plans →

Mattermost

Open-source self-hosted team messaging platform

View all Mattermost plans

When2meet

Free simple group availability scheduling tool

View all When2meet plans
Our Pick

Mattermost

Mattermost offers a free plan.

Based on pricing data only. Review the full comparison below for your specific needs.

Best value: Mattermost

Try Mattermost free

Which Should You Choose?

Choose Mattermost if:

  • •You prefer Mattermost's free tier features—Limited-use edition of Enterprise Advanced for technical evaluation
  • •You want more features built-in—Mattermost offers 32 additional features across its plans
  • •Your team needs custom enterprise pricing—Mattermost offers negotiated terms for large deployments

Choose When2meet if:

  • •You prefer When2meet's free tier features—No contact or billing information required
  • •You prioritize When2meet's user experience and interface over price (both tools are similarly priced)
  • •When2meet's freemium pricing lets you match exact team size without tier gaps

Both Mattermost and When2meet offer free plans [1], eliminating cost barriers for evaluation. This means you can test both tools thoroughly with your actual workflows before any financial commitment. The free tiers differ in scope: Mattermost includes 1 features, while When2meet includes 1 features. Evaluate which free tier matches your evaluation needs before deciding to upgrade. Your best approach is to activate both free trials and evaluate which tool's workflow, integrations, and user experience align better with your team's needs before committing to paid plans.

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Frequently Asked Questions: Mattermost vs When2meet

How many pricing plans does Mattermost have vs When2meet?
Mattermost offers 4 pricing plans, while When2meet offers 4 plans. More plans typically means more flexibility to match your exact needs and budget.
Does Mattermost or When2meet offer a free plan?
Yes, both Mattermost and When2meet offer free plans. Compare the feature limits of each free tier to see which better fits your use case before upgrading.
Can I save money by paying annually for Mattermost or When2meet?
Both Mattermost and When2meet offer annual billing options. Check each plan's yearly pricing for potential savings compared to monthly billing.
Does Mattermost or When2meet offer custom enterprise pricing?
Mattermost offers a custom-priced enterprise tier for larger teams. When2meet lists all its pricing publicly.
What pricing models do Mattermost and When2meet use?
Mattermost uses a open-source pricing model, while When2meet uses freemium pricing. The right model depends on your team size and usage patterns.
How do Mattermost and When2meet compare for Communication?
Both Mattermost and When2meet are Communication tools. Mattermost offers 4 plans starting at Custom pricing, while When2meet offers 4 plans starting at $5/mo. Review the feature breakdowns above to see which better fits your Communication needs.

Sources

  1. Mattermost Official Pricing— Vendor pricing page
  2. When2meet Official Pricing— Vendor pricing page

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