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Grain vs Mattermost: Pricing Comparison 2026

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

Bottom line: Both Grain and Mattermost offer free plans. Grain has 3 pricing tiers while Mattermost has 4.

Last updated: March 16, 2026

Data compiled by Arthur Jacquemin
Updated March 16, 2026
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Grain vs Mattermost: Quick Pricing Facts

FeatureGrainMattermost
Starting Price$15/moCustom pricing
Number of Plans34
Free TierYesYes
Pricing Modelfreemiumopen-source
Annual DiscountN/AN/A

Grain and Mattermost are both priced at $15/mo, making them equally accessible Communication tools. Together they offer 7 pricing plans with 33 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. Grain uses freemium pricing while Mattermost uses open-source 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
Grain
Mattermost
Mattermost
Try it free
Tier 1
Free
$0/monthCheapest
Start with Free
Free
$0/monthCheapest
Includes
  • Limited-use edition of Enterprise Advanced for technical evaluation
Start with Free
Tier 2
Starter
$15/monthCheapest
Start with Starter
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
Tier 3
Enterprise
Custom pricing
Start with Enterprise
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
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

Swipe to compare plans →

Grain

AI meeting recording with highlights and shared clips

View all Grain plans

Mattermost

Open-source self-hosted team messaging platform

View all Mattermost plans
Our Pick

Mattermost

Mattermost offers a free plan, offers 4 tiers vs 3.

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 Grain if:

  • •You prefer Grain's free tier features—features
  • •You prioritize Grain's user experience and interface over price (both tools are similarly priced)
  • •You prefer Grain's freemium model with its 3-tier structure

Choose Mattermost if:

  • •You prefer Mattermost's free tier features—Limited-use edition of Enterprise Advanced for technical evaluation
  • •You need 4 pricing tiers for flexible team sizing—more options mean less overpaying for features you don't need
  • •You want more features built-in—Mattermost offers 33 additional features across its plans

Both Grain and Mattermost 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: Grain includes multiple features, while Mattermost 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: Grain vs Mattermost

How many pricing plans does Grain have vs Mattermost?
Grain offers 3 pricing plans, while Mattermost offers 4 plans. More plans typically means more flexibility to match your exact needs and budget.
Does Grain or Mattermost offer a free plan?
Yes, both Grain and Mattermost offer free plans. Compare the feature limits of each free tier to see which better fits your use case before upgrading.
Does Grain or Mattermost offer custom enterprise pricing?
Yes, both Grain and Mattermost offer custom enterprise pricing tiers with quote-based pricing. Contact each vendor for a tailored quote.
What pricing models do Grain and Mattermost use?
Grain uses a freemium pricing model, while Mattermost uses open-source pricing. The right model depends on your team size and usage patterns.
How do Grain and Mattermost compare for Communication?
Both Grain and Mattermost are Communication tools. Grain offers 3 plans starting at $15/mo, while Mattermost offers 4 plans starting at Custom pricing. Review the feature breakdowns above to see which better fits your Communication needs.

Sources

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

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