Kumospace vs Mattermost: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Kumospace and Mattermost side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Mattermost leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Kumospace
The #1 virtual office software for remote and hybrid teams to meet, motivate, and manage.
Best for you if:
- • You want enhances team communication and collaboration in remote settings
Mattermost
Open-source team collaboration platform
Best for you if:
- • You want open source Slack alternative
| At a Glance | Kumospace | Mattermost |
|---|---|---|
Starts at | Free plan, paid from $16/user/mo, billed monthly Business plan | Free plan, paid from $10/user/mo, billed monthly Professional plan |
Category | Communication Internal Comms | Communication Team Chat |
Rating | n/a | 4.3/5 G2 4.3 · Capterra 4.4 · SourceForge 4.3 604 reviews |
Free plan | Yes | Yes |
Watch out for | Business plan requires minimum 5 registered members. | n/a |
Choose Kumospace or Mattermost?
Choose Kumospace if
- You want enhances team communication and collaboration in remote settings
- You want fosters company culture and spontaneous interactions
Choose Mattermost if
- You want open source Slack alternative
- You want self-hostable
- Budget matters ($10/user/mo, billed monthly vs $16/user/mo, billed monthly)
In-Depth Analysis
Kumospace
The #1 virtual office software for remote and hybrid teams to meet, motivate, and manage.
Kumospace offers a fair pricing structure, with a generous Free tier for small teams and a competitive Business tier at $16 USD per user per month.
Watch out
Business plan requires minimum 5 registered members.
Strengths
- Pro: Enhances team communication and collaboration in remote settings
- Pro: Fosters company culture and spontaneous interactions
- Pro: Highly customizable virtual environments
- Pro: Available on multiple platforms (desktop and mobile)
- Pro: Offers analytics to track team engagement
Weaknesses
- Con: May require a learning curve for new users unfamiliar with virtual office concepts
- Con: Advanced features like unlimited chat history and user analytics are locked behind paid plans
- Con: Guest access is limited to 4 hours a week on the free plan
Key features
Mattermost
Open-source team collaboration platform
Mattermost's pricing is fair, offering a generous Free tier for small teams.
Strengths
- Pro: Open source Slack alternative
- Pro: Self-hostable
- Pro: Good for compliance
- Pro: No per-user cloud cost
- Pro: Customizable
Weaknesses
- Con: Less polished than Slack
- Con: Smaller integration library
- Con: Self-hosting required for best value
- Con: Learning curve
- Con: Community smaller
Key features
Plans and prices: Kumospace vs Mattermost
| Tool | Plans and prices | Source |
|---|---|---|
| Kumospace |
| kumospace.com/pricing read Oct 30, 2026 |
| Mattermost |
| mattermost.com/pricing read Sep 30, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Kumospace pricing and Mattermost pricing.
Key Takeaways
Kumospace
- Choose if you want the #1 virtual office software for remote and hybrid teams to meet, motivate, and manage
Mattermost
- Lower entry price: $10/user/mo, billed monthly vs $16/user/mo, billed monthly
What the data shows
On the data below, Mattermost leads on lower entry price. We do not name an overall winner for this pair.
- Only Mattermost has a published user rating (4.3/5 from 604 reviews); Kumospace has none we can show.
- Mattermost has the lower entry price: $10/user/mo, billed monthly (Professional) against $16/user/mo, billed monthly (Business) for Kumospace.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Kumospace and Mattermost compare in 2026?
On the data below, Mattermost leads on lower entry price. We do not name an overall winner for this pair. Only Mattermost has a published user rating (4.3/5 from 604 reviews); Kumospace has none we can show. Mattermost has the lower entry price: $10/user/mo, billed monthly (Professional) against $16/user/mo, billed monthly (Business) for Kumospace. Both have a free plan.
What are Kumospace and Mattermost used for?
Kumospace: The #1 virtual office software for remote and hybrid teams to meet, motivate, and manage. Mattermost: Open-source team collaboration platform.
What does Kumospace cost vs Mattermost?
Kumospace's cheapest paid plan is Business at $16/user/mo, billed monthly; it also has a free plan. Mattermost's cheapest paid plan is Professional at $10/user/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 30, 2026.
What's the main difference between Kumospace and Mattermost?
Kumospace's main strength: enhances team communication and collaboration in remote settings. Mattermost's main strength: open source Slack alternative.