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  1. Compare
  2. KakaoTalk vs Mattermost

KakaoTalkvsMattermost

Unbiased side-by-side comparison of verified reviews, user ratings, features, and pros/cons to help you decide which software fits your business needs.

KakaoTalk
KakaoTalk
4.7
(2 reviews)
View Profile ↗
Mattermost
Mattermost
4.5
(4 reviews)
View Profile ↗

Quick answer: KakaoTalk vs Mattermost

In our 2026 comparison of KakaoTalk and Mattermost, Mattermost comes out ahead overall (weighted score 89% vs 72% for KakaoTalk). KakaoTalk is rated 4.7/5 from 2 user reviews; Mattermost is rated 4.5/5 from 4 user reviews. KakaoTalk has a free plan; Mattermost has a free plan.

Last updated October 25, 2026

Key facts: KakaoTalk vs Mattermost
At a glanceKakaoTalkMattermost
CategoryTeam Chat & MessagingTeam Chat & Messaging
User rating4.7/5 (2 reviews)4.5/5 (4 reviews)
Starting priceFree planFree plan
Free trialNot listedYes
Listed features1119
Integrations—6
PlatformsAndroid, iOS, Windows, macOSWeb, Windows, macOS, Linux, iOS
Ease of use4.0/54.5/5
Customer support4.0/55.0/5
KakaoTalk:OverviewReviewsPricingAlternatives
Mattermost:OverviewReviewsPricingAlternatives
KakaoTalk

KakaoTalk

4.7
(2)

Starting Price

Freemium

Community Pulse

50%
Would Buy Again
80%
Good Value

Advanced Ratings

Usability
8.0
Performance
8.0
Support
8.0

Pros

  • It is the dominant mobile messaging app in South Korea, with over 90% of the population using it, making it essential for any business or individual in the country.
  • It offers a wide range of features beyond messaging, including voice and video calls, group chats, games, news, and a mobile wallet.
  • It has a powerful API that allows businesses to create official accounts for customer service, marketing, and commerce.

Cons

  • Its user base is heavily concentrated in South Korea, limiting its utility as a global communication tool.
  • The extensive features can make the app feel bloated compared to more streamlined messaging apps.
  • It is owned by Kakao Corporation, a major South Korean tech company, which collects significant user data for targeted advertising and services.
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Mattermost

Mattermost

4.5
(4)

Starting Price

Free self-hosted edition available; Professional and Enterprise plans available through annual subscriptions

Community Pulse

0%
Would Buy Again
95%
Good Value

Advanced Ratings

Usability
9.0
Performance
9.5
Support
10.0

Pros

  • Self-hosted, open-source messaging platform offering true data sovereignty through air-gapped deployment with no internet connectivity or vendor telemetry .
  • Community Edition is completely free with unlimited message history, file sharing, and comprehensive audit logging for compliance.
  • Strong security architecture with open-source code allowing independent security verification and penetration testing by government agencies .

Cons

  • Recent versions have removed some features and introduced confusing licensing changes, alienating parts of the community.
  • Lacks native end-to-end encryption without requiring plugins or workarounds, unlike some competitors like Rocket.Chat .
  • Setup and ongoing maintenance require technical expertise for self-hosted deployment, including server management and updates.
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Product Overview

What each platform does and who it's for

KakaoTalk
KakaoTalk
KakaoTalk combines messaging and social communication with organized chats, Open Chat communities, short-form content, voice and Face Talk calls, screen sharing, profile features, and access across mobile and desktop devices.
Mattermost
Mattermost
Mattermost is a massively robust, incredibly highly specialized digital secure collaboration platform explicitly engineered to completely provide absolutely pristine, deeply rapid digital encrypted messaging directly across massive standard enterprise developer ecosystems. It fundamentally entirely avoids deeply complex, highly frustrating erratic Slack/Teams data privacy setups, flawlessly allowing absolutely any enterprise to seamlessly instantly rely upon incredibly massive highly secure digital self-hosted architecture. The application heavily utilizes incredibly advanced, deeply proprietary digital CI/CD integration technology. As absolute massive digital engineering workflows are seamlessly flawlessly handled, Mattermost perfectly completely analyzes highly complex digital DevOps databases, instantly accelerates incredibly dynamic digital incident response routing, and seamlessly perfectly ensures absolutely highly secure digital code deployment flow across entirely all massive digital global IT outputs effortlessly. Operating exclusively as a highly premium, strictly tiered digital subscription alongside an open-source free edition, Mattermost completely targets highly dedicated, deeply security-conscious digital government and enterprise IT teams. It provides absolute, uncompromising digital infrastructure perfectly designed to radically protect incredibly highly sensitive corporate chat data while completely ensuring absolutely massive digital communication scalability without ever requiring deeply frustrating, highly complex digital public cloud compromises.

Primary Category

The main classification for each product

KakaoTalk
KakaoTalk
Team Chat & Messaging
Mattermost
Mattermost
Team Chat & Messaging

Editorial Quality Rating

Independent expert panel ratings and quality validations

KakaoTalk

KakaoTalk

Expert Score

Elite Choice
4.5/ 5.0
Verified Editorial Score
Mattermost

Mattermost

Expert Score

Standard
N/A
Editorial score pending audit

Integration Ecosystem

Compare supported third-party apps and services

KakaoTalk

KakaoTalk Integrations

No connected apps found

No top integrations listed

Mattermost

Mattermost Integrations

6 supported apps
GitHub integration logo
GitHub
Zoom integration logo
Zoom
Jira integration logo
Jira
Okta integration logo
Okta
GitLab integration logo
GitLab
Microsoft Entra ID integration logo
Microsoft Entra ID

Platform Support

Supported platforms across each product

KakaoTalk logo

KakaoTalk

4 Platforms
Android
iOS
Windows
macOS
Mattermost logo

Mattermost

6 Platforms
Web
Windows
macOS
Linux
iOS
Android

Sentiment & Feedback

Real-world pros and cons from verified users

KakaoTalk

KakaoTalk Feedback

User sentiment analysis

High Praise
  • It is the dominant mobile messaging app in South Korea, with over 90% of the population using it, making it essential for any business or individual in the country.
  • It offers a wide range of features beyond messaging, including voice and video calls, group chats, games, news, and a mobile wallet.
  • It has a powerful API that allows businesses to create official accounts for customer service, marketing, and commerce.
  • It is available in multiple languages and has a strong global presence among Korean diaspora communities.
Common Gripes
  • Its user base is heavily concentrated in South Korea, limiting its utility as a global communication tool.
  • The extensive features can make the app feel bloated compared to more streamlined messaging apps.
  • It is owned by Kakao Corporation, a major South Korean tech company, which collects significant user data for targeted advertising and services.
Mattermost

Mattermost Feedback

User sentiment analysis

High Praise
  • Self-hosted, open-source messaging platform offering true data sovereignty through air-gapped deployment with no internet connectivity or vendor telemetry .
  • Community Edition is completely free with unlimited message history, file sharing, and comprehensive audit logging for compliance.
  • Strong security architecture with open-source code allowing independent security verification and penetration testing by government agencies .
  • Transparent per-user licensing model avoids vendor lock-in and unexpected price escalations common with proprietary platforms.
Common Gripes
  • Recent versions have removed some features and introduced confusing licensing changes, alienating parts of the community.
  • Lacks native end-to-end encryption without requiring plugins or workarounds, unlike some competitors like Rocket.Chat .
  • Setup and ongoing maintenance require technical expertise for self-hosted deployment, including server management and updates.

Feature Comparison

Detailed side-by-side capability checklist

KakaoTalk

KakaoTalk

11/24 features

AI & Intelligence
  • AI integration
Workflow Automation
  • Automation
  • Integrations
  • Workflow Automation
Data Management
  • Cross-device sync
Mobile & Remote Access
  • Mobile app
Collaboration
  • Screen Sharing
  • Team collaboration
  • Team messaging
  • Voice messages
Security & Compliance
  • Security
  • Security controls
Calling & Communication
  • Voice calls
Media & Creative Tools
  • Voice and video calls
Customer Experience (CX) & Support
  • Chat features
  • Direct messaging and group chats
  • Group chat
  • Live Chat
  • Multi-platform support
  • Real-time Chat
  • Team chat
DevOps & IT Operations
  • Hosting
Cloud & Infrastructure Services
  • Self-hosting
Productivity & Office
  • Collaboration
Mattermost

Mattermost

19/24 features

Leader
AI & Intelligence
  • AI integration
Workflow Automation
  • Automation
  • Integrations
  • Workflow Automation
Data Management
  • Cross-device sync
Mobile & Remote Access
  • Mobile app
Collaboration
  • Screen Sharing
  • Team collaboration
  • Team messaging
  • Voice messages
Security & Compliance
  • Security
  • Security controls
Calling & Communication
  • Voice calls
Media & Creative Tools
  • Voice and video calls
Customer Experience (CX) & Support
  • Chat features
  • Direct messaging and group chats
  • Group chat
  • Live Chat
  • Multi-platform support
  • Real-time Chat
  • Team chat
DevOps & IT Operations
  • Hosting
Cloud & Infrastructure Services
  • Self-hosting
Productivity & Office
  • Collaboration

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Pricing & Plans

Compare plans, features, and starting points side-by-side

KakaoTalk

KakaoTalk Pricing

FREEMIUM
Starting Price
Free
Free Plan
Current price: $0/mo
Access to core features
Community support
Basic features
Mattermost

Mattermost Pricing

Paid
Starting Price
$10/mo
Professional
Current price: $10/mo

Per user per month.

Advanced access controls
Single Sign-On (SSO)
Playbooks for incident response

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Community Intelligence

Real-time crowdsourced comparison feedback and buyer signals.

Community Matchup Voting

Real-time crowdsourced buyer signals

0 votes
Who wins this matchup?
50% KakaoTalk50% Mattermost
Feature & Dimension Voting
0 / 7 Voted
Better Pricing & Plans
More Powerful Features
Faster Customer Support
Simpler Ease of Use
Overall Value for Money
Better for Startups / SMB
Better for Enterprise

Community vs. Editorial Alignment

Agreement between algorithmic rating & user voting

0 Votes Cast
Editorial Choice
Mattermost

Mattermost

Calculated by features, pricing, support & ratings.

Community Choice

Awaiting Votes

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Share your decision anonymously with the community

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Head-to-Head Winner Analysis

Data-backed performance comparisons across pricing, features, usability, and support

Matchup Scoreboard

At-a-glance scorecard results

KakaoTalk
KakaoTalk
0 Wins
VS
Mattermost
Mattermost
6 Wins

Weighted Overall Scorecard

Normalized composite performance scores

KakaoTalk
72%
Recommended
Mattermost
89%

Smart Recommendation Matrix

Head-to-head decision matrix based on your business workflow

KakaoTalk
Choose KakaoTalk if…
Verified Option
  • Fast-moving teams needing fluid channel huddles, app bots, and external channel sharing
  • Organizations looking for a reliable, verified Team Chat & Messaging solution
Mattermost
Choose Mattermost if…
Enterprise ChoiceUX Leader
  • Organizations requiring enterprise SLA support, governance, and custom security
  • Teams prioritizing intuitive, zero-learning-curve UX and fast onboarding
  • Teams looking for native integration with core workflow tools
KakaoTalk

KakaoTalk

Dimension scorecard

Multi-Dimension Performance
⭐User Satisfaction84%
🖱️Ease of Use4.0 / 5 (80%)
💰Value for Money4.0 / 5 (80%)
🎧Support Quality4.0 / 5 (80%)
📊Market Trust2 (68%)
🔌Integration Ecosystem0 apps (0%)
🏅Expert Editorial Score4.5 / 5 (90%)
👍Would Recommend50% (50%)
⚙️Feature Richness11 features (58%)
💸Pricing & Accessibility70%
💬Sentiment Balance4 Pros / 3 Cons (55%)
💻Platform Support4 Platforms (67%)
Winner Breakdown & Analysis
Overall Performance
Runner-up

KakaoTalk is a runner-up with a composite score of 72%.

Pricing & Value
Runner-up

Pricing: $0/mo (No Free Trial), a less accessible entry point than the leader.

Feature Completeness
Runner-up

Offers 11 features (fewer than the category leader).

Usability & Design
Runner-up

Satisfactory usability with a user rating of 4.0/5 stars.

Customer Support
Runner-up

Decent support with a user rating of 4.0/5 stars.

Platform Support
Runner-up

Available on 4 Platforms: Android, iOS, Windows, macOS, fewer than the leader.

Mattermost

Mattermost

Dimension scorecard

Multi-Dimension Performance
⭐User Satisfaction84%
🖱️Ease of Use4.5 / 5 (90%)
💰Value for Money4.8 / 5 (95%)
🎧Support Quality5.0 / 5 (100%)
📊Market Trust4 (100%)
🔌Integration Ecosystem6 apps (100%)
🏅Expert Editorial ScoreNo data
👍Would Recommend0% (25%)
⚙️Feature Richness19 features (100%)
💸Pricing & Accessibility85%
💬Sentiment Balance4 Pros / 3 Cons (55%)
💻Platform Support6 Platforms (100%)
Winner Breakdown & Analysis
Overall Performance
Winner

Mattermost wins overall with a weighted score of 89% based on user rating, pricing, features, usability, and support.

Pricing & Value
Winner

Mattermost has the most accessible pricing ($10/mo (Free Trial)).

Feature Completeness
Winner

Mattermost lists the most features (19 features).

Usability & Design
Winner

Ranked #1 for usability with a user rating of 4.5/5 stars.

Customer Support
Winner

Ranked #1 for support with a user rating of 5.0/5 stars.

Platform Support
Winner

Widest platform availability (6 Platforms: Web, Windows, macOS, Linux +2 more).

AI-Powered Decision Intelligence

Final Verdict:
Mattermost
Mattermost

Mattermost scores higher across 7 of 11 key dimensions with a 17-point lead in our weighted analysis.

Analysis Quality
high
Based on rich data across all key dimensions.
Weighted Composite Analysis · Updated November 2026
high Confidence Level
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Frequently asked questions: KakaoTalk vs Mattermost

Which is better: KakaoTalk or Mattermost?

Mattermost scores higher across 7 of 11 key dimensions with a 17-point lead in our weighted analysis. The best choice still depends on your team's workflow, budget and required integrations — use the side-by-side sections above to check the details that matter to you.

How do users rate KakaoTalk and Mattermost?

KakaoTalk is rated 4.7/5 from 2 user reviews. Mattermost is rated 4.5/5 from 4 user reviews. Ratings come from approved user reviews on SoftwareHope.

How much do KakaoTalk and Mattermost cost?

KakaoTalk has a free plan. Mattermost has a free plan. Always confirm current pricing on the vendor's site, as plans change.

Do KakaoTalk and Mattermost offer a free plan or free trial?

KakaoTalk offers a free plan; Mattermost offers a free plan and a free trial.

Which platforms do KakaoTalk and Mattermost support?

KakaoTalk supports Android, iOS, Windows and macOS; Mattermost supports Web, Windows, macOS, Linux, iOS and Android.

Which is easier to use, KakaoTalk or Mattermost?

KakaoTalk has an ease-of-use rating of 4.0/5, Mattermost has an ease-of-use rating of 4.5/5. Mattermost is rated easier to use by reviewers.

Most Helpful Reviews

Community-voted helpful feedback from verified users

KakaoTalk

Official Editorial Review

by Devendrakumar Gupta

KakaoTalk combines messaging and social communication with organized chats, Open Chat communities, short-form content, voice and Face Talk calls, screen sharing, profile features, and access across mobile and desktop devices.

Pros:Free core messaging, group conversations, Open Chat communities, voice and Face Talk, multimedia sharing
Cons:User experience and ratings vary by platform and region, media uploads can be slow for some users
Was this review helpful?
KakaoTalk

Reliable performance and clean setup

by Meenakshi Sundaram

KakaoTalk provides a straightforward, dependable solution that integrated smoothly into our operational stack. Uptime is consistent and user adoption across the team was immediate.

Pros:Clean, responsive user interface with minimal learning curve for team members.
Cons:Advanced customization options require initial exploration of settings menus.
Was this review helpful?
Mattermost

Reliable performance and clean setup

by Rahul Malhotra

Mattermost provides a straightforward, dependable solution that integrated smoothly into our operational stack. Uptime is consistent and user adoption across the team was immediate.

Pros:Clean, responsive user interface with minimal learning curve for team members.
Cons:Advanced customization options require initial exploration of settings menus.
Was this review helpful?
Mattermost

Essential platform for daily operations

by Harper N.

We have been using Mattermost across our departments and appreciate the simplicity and stability of the system. It handles core workflows without unnecessary bloat.

Pros:Reliable system performance, high uptime, and straightforward administrative controls.
Cons:Exporting very large data sets can take a few moments to generate.
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