Kakao Work vs Mattermost: Which Team Messaging Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.
The Short Answer
Kakao Work vs Mattermost, in 15 seconds
Choose Kakao Work if…
- You prefer Kakao Work's approach and ecosystem
Choose Mattermost if…
- You want the lower entry price
- You need a genuinely free plan
- You have strict security & compliance needs
- You need the broader feature set
Head-to-Head Scorecard
How Kakao Work and Mattermost score
Mattermost leads on 5 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
KakaoNo reviewsMattermostNo reviews - Even
Review Volume
Number of verified reviews, a proxy for adoption
Kakao0Mattermost0 - Mattermost
Entry Pricing
Lowest published starting price (free plan = lowest)
KakaoCustomMattermost$10/mo - Mattermost
Free Access
Availability of a free plan and/or free trial
KakaoFree trialMattermostFree plan + trial - Even
Integrations
Number of listed third-party integrations
Kakao6Mattermost6 - Mattermost
Features
Number of listed product capabilities
Kakao0Mattermost6 - Even
AI Features
Capabilities mentioning AI, automation or ML
Kakao,Mattermost, - Mattermost
Security & Compliance
Number of listed compliance certifications
Kakao2Mattermost4 - Mattermost
Platforms & Deployment
Supported platforms and deployment options
Kakao4Mattermost8
Feature Comparison
Kakao Work vs Mattermost feature breakdown
Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.
Kakao Work
MattermostPricing Comparison
Kakao Work vs Mattermost pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Kakao Work
Custom to start- video calls
- Integrations
- Standard support
- Analytics and reporting
- electronic approvals
- Advanced security and controls
- Dedicated support and onboarding
- bot integrations
Mattermost
$10/mo to start- Team messaging
- Self-host anywhere
- Integrations
- Community support
- Advanced permissions
- Guest accounts
- SAML SSO
- Playbooks
- Advanced compliance & audit
- High availability
- FedRAMP option
- Premium support & SLA
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Kakao Work vs Mattermost: strengths and trade-offs
Kakao Work
Pros
- Free trial offered
- Compliance: SOC 2, GDPR
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
Mattermost
Pros
- Free plan available
- Free trial offered
- Compliance: SOC 2 Type II, GDPR, ISO 27001
- Public API available
Cons
Buyer Fit
Who should use Kakao Work vs Mattermost?
Startups
Mattermost
Mattermost keeps early-stage costs lowest with its entry tier.
Small businesses
Mattermost
Mattermost offers the most accessible pricing for lean teams.
Agencies
Mattermost
Mattermost connects to more tools for multi-client workflows.
Enterprises
Mattermost
Mattermost leads on compliance and breadth for complex needs.
Ecommerce
Either
Either integrates with more of the commerce stack.
SaaS companies
Mattermost
Mattermost is the more developer- and automation-friendly choice.
Integration overlap
Only in Kakao Work (6)
Only in Mattermost (6)
Keep Exploring
Other alternatives worth considering
Similar team messaging products buyers compare alongside Kakao Work and Mattermost.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Kakao Work and Mattermost against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationKakao Work vs Mattermost, Frequently Asked Questions
What is the difference between Kakao Work and Mattermost?
Kakao Work and Mattermost are both Team Messaging solutions. Kakao Work is rated 0.0/5 by 0 users, while Mattermost is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Kakao Work or Mattermost?
Based on user ratings, Kakao Work scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Kakao Work or Mattermost?
Mattermost is the more affordable option, starting at $10/month.
Does Kakao Work or Mattermost have a free plan?
Mattermost offers a free plan. Kakao Work does not have a free tier but does offer a free trial.
Can I switch from Kakao Work to Mattermost?
Switching between Kakao Work and Mattermost is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Kakao Work vs Mattermost?
Kakao Work is best suited for teams that prioritise enterprise features. Mattermost works well for teams looking to start free and scale.
Our Verdict
The bottom line on Kakao Work vs Mattermost
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Mattermost
Mattermost has the friendliest entry point for new teams.
Best for Enterprise
Mattermost
Mattermost leads on compliance and feature breadth.
Best Value
Mattermost
Mattermost delivers the lowest cost to get started.
Best AI Features
Either
Comparable AI capabilities on both sides.
Highest Rated
Either
Both earn equal user ratings.