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  1. Compare
  2. Flock vs Mattermost

FlockvsMattermost

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

Flock
Flock
⭐Emerging Favorite
4.3
(47 reviews)
View Profile ↗
Mattermost
Mattermost
4.5
(4 reviews)
View Profile ↗

Quick answer: Flock vs Mattermost

In our 2026 comparison of Flock and Mattermost, the products are too closely matched to name a clear overall winner. Flock is rated 4.3/5 from 47 user reviews; Mattermost is rated 4.5/5 from 4 user reviews. Flock has a free plan; Mattermost has a free plan.

Last updated September 20, 2026

Key facts: Flock vs Mattermost
At a glanceFlockMattermost
CategoryTeam Chat & MessagingTeam Chat & Messaging
User rating4.3/5 (47 reviews)4.5/5 (4 reviews)
Starting priceFree planFree plan
Free trialNot listedYes
Listed features2519
Integrations86
PlatformsWindows, macOS, iOS, Android, WebWeb, Windows, macOS, Linux, iOS
Ease of use4.4/54.5/5
Customer support3.9/55.0/5
Flock:OverviewReviewsPricingAlternatives
Mattermost:OverviewReviewsPricingAlternatives
Flock

Flock

4.3
(47)

Starting Price

Free version,Pro: $4.50/user/month,Enterprise: Custom pricing

Community Pulse

85%
Would Buy Again
84%
Good Value

Advanced Ratings

Usability
8.8
Performance
8.8
Support
7.7

Pros

  • High user satisfaction with 4.5/5 overall rating based on 344 reviews; 94% of users report positive experience with the platform .
  • Built-in productivity tools including shared to-dos, reminders, notes, and polls reduce the need for separate task management apps .
  • Affordable starting price of just $6 per user per month, significantly lower than Slack's Pro tier .

Cons

  • Smaller app ecosystem compared to Slack; fewer third-party integrations limit customization for teams with specialized workflows .
  • Less brand recognition and community support than market leaders, making it harder to find resources and best practices.
  • Some users report occasional call recognition issues, particularly with Bluetooth earphones requiring restart after calls .
View Full Profile
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.
View Full Profile
Swipe to compare

Product Overview

What each platform does and who it's for

Flock
Flock
Flock is a powerful team communication and collaboration platform designed to streamline business workflows. It brings your team's conversations, essential tools, and daily workflows into a single workspace. By organizing discussions into specific channels, Flock ensures everyone stays aligned without the clutter of endless email threads, boosting productivity. Beyond basic chat, Flock offers a robust suite of built-in productivity tools. Users can host high-quality video and audio conferences, share screens, and collaborate on shared documents in real time. The platform also includes integrated features like shared to-do lists, opinion polls, and reminders, making it easy to manage tasks and make quick team decisions. To further enhance efficiency, Flock integrates seamlessly with popular third-party applications like Google Drive, Trello, and Asana. This ecosystem means teams can receive updates and manage external tasks without leaving the app. With its intuitive interface and fast performance, Flock is an excellent choice for businesses looking to centralize communication.
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

Flock
Flock
Team Chat & Messaging
Mattermost
Mattermost
Team Chat & Messaging

Editorial Quality Rating

Independent expert panel ratings and quality validations

Flock

Flock

Expert Score

Standard
N/A
Editorial score pending audit
Mattermost

Mattermost

Expert Score

Standard
N/A
Editorial score pending audit

Integration Ecosystem

Compare supported third-party apps and services

Flock

Flock Integrations

8 supported apps
Zapier integration logo
Zapier
Google Drive integration logo
Google Drive
Jira integration logo
Jira
Trello integration logo
Trello
Dropbox integration logo
Dropbox
Asana integration logo
Asana
Google Calendar integration logo
Google Calendar
Box integration logo
Box
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

Flock logo

Flock

5 Platforms
Windows
macOS
iOS
Android
Web
Mattermost logo

Mattermost

6 Platforms
Web
Windows
macOS
Linux
iOS
Android

Sentiment & Feedback

Real-world pros and cons from verified users

Flock

Flock Feedback

User sentiment analysis

High Praise
  • High user satisfaction with 4.5/5 overall rating based on 344 reviews; 94% of users report positive experience with the platform .
  • Built-in productivity tools including shared to-dos, reminders, notes, and polls reduce the need for separate task management apps .
  • Affordable starting price of just $6 per user per month, significantly lower than Slack's Pro tier .
  • Clean interface with compatibility praised for bringing "so much together in a little space," including integrations with Google, MailChimp, Dropbox, Jira, and Trello .
Common Gripes
  • Smaller app ecosystem compared to Slack; fewer third-party integrations limit customization for teams with specialized workflows .
  • Less brand recognition and community support than market leaders, making it harder to find resources and best practices.
  • Some users report occasional call recognition issues, particularly with Bluetooth earphones requiring restart after calls .
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

Flock

Flock

24/34 features

Leader
AI & Intelligence
  • AI integration
Workflow Automation
  • App Integrations
  • Automation
  • Integrations
  • Reminders
  • Workflow Automation
Education & Learning
  • Brand mention tracking across LLMs
Collaboration
  • Custom Status and Presence Settings
  • Message Search & Archiving
  • Screen Sharing
  • Team collaboration
  • Team messaging
  • Threaded conversations
  • User-friendly interface
Social & Engagement
  • Polls
Security & Compliance
  • Security
  • Security controls
Calling & Communication
  • Voice calls
Media & Creative Tools
  • Video conferencing
  • Voice and video calls
Customer Experience (CX) & Support
  • Chat features
  • Direct messaging and group chats
  • Group chat
  • Live Chat
  • Real-time Chat
  • Team chat
DevOps & IT Operations
  • Hosting
Cloud & Infrastructure Services
  • Self-hosting
Productivity & Office
  • Channel messaging
  • Collaboration
  • Direct messaging
  • File sharing
  • Notes
  • To-do lists
Mattermost

Mattermost

19/34 features

AI & Intelligence
  • AI integration
Workflow Automation
  • App Integrations
  • Automation
  • Integrations
  • Reminders
  • Workflow Automation
Education & Learning
  • Brand mention tracking across LLMs
Collaboration
  • Custom Status and Presence Settings
  • Message Search & Archiving
  • Screen Sharing
  • Team collaboration
  • Team messaging
  • Threaded conversations
  • User-friendly interface
Social & Engagement
  • Polls
Security & Compliance
  • Security
  • Security controls
Calling & Communication
  • Voice calls
Media & Creative Tools
  • Video conferencing
  • Voice and video calls
Customer Experience (CX) & Support
  • Chat features
  • Direct messaging and group chats
  • Group chat
  • Live Chat
  • Real-time Chat
  • Team chat
DevOps & IT Operations
  • Hosting
Cloud & Infrastructure Services
  • Self-hosting
Productivity & Office
  • Channel messaging
  • Collaboration
  • Direct messaging
  • File sharing
  • Notes
  • To-do lists

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Pricing & Plans

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

Flock

Flock Pricing

FREEMIUM
Starting Price
$4.5/mo
Free
Current price: $0/mo

Small teams getting started.

Unlimited 1-on-1 & group messaging
10,000 searchable messages
5 GB total team storage
1-on-1 video calls
Pro
Current price: $6/mo

Growing teams needing more history & admin tools.

Unlimited searchable messages
10 GB storage per member
Group video calls & screen sharing
Enhanced admin controls
Enterprise
Current price: Contact us

Large teams needing custom setup & priority help.

Single Sign-On (SSO)
Active Directory Sync
24/7 priority support
Multiple team admins
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% Flock50% 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

Draw

Calculated by features, pricing, support & ratings.

Community Choice

Awaiting Votes

Cast your vote above to update results.

Which software did you choose?

Share your decision anonymously with the community

Ad Placement Spot
Available Spot

Promote to Flock vs Mattermost Buyers

Capture high-intent Team Chat & Messaging evaluators

Available Slot
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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

Flock
Flock
1 Win
VS3 Ties
Mattermost
Mattermost
2 Wins

Weighted Overall Scorecard

Normalized composite performance scores

Flock
86%
Mattermost
82%

Smart Recommendation Matrix

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

Flock
Choose Flock if…
Best Price ValueEasy Onboarding
  • Budget-conscious teams seeking competitive entry pricing ($4.5/mo)
  • Users wanting a streamlined, user-friendly workspace interface
  • Teams looking for native integration with core workflow tools
Mattermost
Choose Mattermost if…
Enterprise ChoiceEasy Onboarding
  • Organizations requiring enterprise SLA support, governance, and custom security
  • Users wanting a streamlined, user-friendly workspace interface
  • Teams looking for native integration with core workflow tools
Flock

Flock

Dimension scorecard

Multi-Dimension Performance
⭐User Satisfaction85%
🖱️Ease of Use4.4 / 5 (88%)
💰Value for Money4.2 / 5 (84%)
🎧Support Quality3.9 / 5 (77%)
📊Market Trust47 (100%)
🔌Integration Ecosystem8 apps (100%)
🏅Expert Editorial ScoreNo data
👍Would Recommend85% (82%)
⚙️Feature Richness25 features (100%)
💸Pricing & Accessibility65%
💬Sentiment Balance4 Pros / 3 Cons (55%)
💻Platform Support5 Platforms (83%)
Winner Breakdown & Analysis
Overall Performance
Tied

Tied for overall winner with a composite score of 86%.

Pricing & Value
Runner-up

Pricing: $4.5/mo (No Free Trial), a less accessible entry point than the leader.

Feature Completeness
Winner

Flock lists the most features (25 features).

Usability & Design
Tied

Strong usability with a user rating of 4.4/5 stars.

Customer Support
Runner-up

Decent support with a user rating of 3.9/5 stars.

Platform Support
Tied

Tied on platform availability (5 Platforms: Windows, macOS, iOS, Android +1 more).

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 (42%)
🔌Integration Ecosystem6 apps (75%)
🏅Expert Editorial ScoreNo data
👍Would Recommend0% (25%)
⚙️Feature Richness19 features (76%)
💸Pricing & Accessibility85%
💬Sentiment Balance4 Pros / 3 Cons (55%)
💻Platform Support6 Platforms (100%)
Winner Breakdown & Analysis
Overall Performance
Tied

Tied for overall winner with a composite score of 82%.

Pricing & Value
Winner

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

Feature Completeness
Runner-up

Offers 19 features (fewer than the category leader).

Usability & Design
Tied

Strong 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
Tied

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

AI-Powered Decision Intelligence

⚖️ Virtually Tied

Flock and Mattermost are extremely well-matched overall. If Value for Money is your priority, Mattermost has the edge — otherwise, your specific workflow requirements should be the deciding factor.

Composite Score Breakdown

1stFlock86pts
2ndMattermost82pts
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: Flock vs Mattermost

Which is better: Flock or Mattermost?

Flock and Mattermost are extremely well-matched overall. If Value for Money is your priority, Mattermost has the edge — otherwise, your specific workflow requirements should be the deciding factor. Neither product has a decisive overall lead, so the best choice depends on your workflow, budget and required integrations.

How do users rate Flock and Mattermost?

Flock is rated 4.3/5 from 47 user reviews. Mattermost is rated 4.5/5 from 4 user reviews. Ratings come from approved user reviews on SoftwareHope.

How much do Flock and Mattermost cost?

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

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

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

Which platforms do Flock and Mattermost support?

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

Which is easier to use, Flock or Mattermost?

Flock has an ease-of-use rating of 4.4/5, Mattermost has an ease-of-use rating of 4.5/5. The difference is small, so both are similarly easy to adopt.

Most Helpful Reviews

Community-voted helpful feedback from verified users

Flock

Instant in-chat polls speed up daily team decisions

by Kunal Mukherjee

The instant polling feature in Flock is fantastic for quick team consensus. We launch quick 10-second polls during team huddles to decide on campaign copy, saving long debate threads.

Pros:Native polling tool lets team members vote on project decisions in seconds.
Cons:Poll result export options are basic if you need detailed analytical reports.
Was this review helpful?
Flock

Side panel widgets keep Google Docs accessible

by Caleb T.

Flock's side-panel widgets are a game changer for content editors. Opening Google Docs right inside the chat window allows copywriters to edit articles while discussing feedback live in the channel.

Pros:Side-by-side app widgets allow editing Google Docs directly next to active discussion threads.
Cons:Widget view screens can feel crowded on smaller laptop displays.
Was this review helpful?
Flock

Smooth guest accounts simplify external vendor communication

by Danielle M.

Managing external contractors through Flock guest channels is seamless. Contractors join specific project channels without accessing company-wide directories, giving us clean security boundaries.

Pros:Secure guest channel access allows collaborating with external freelancers effortlessly.
Cons:Guest permissions must be re-verified periodically by workspace administrators.
Was this review helpful?
Flock

Embedded shared notes keep meeting action items centralized

by Ethan B.

Flock's shared note widget keeps our standup meeting minutes organized. Team leads take live meeting notes directly in the channel sidebar, ensuring everyone has access to action items immediately.

Pros:Shared channel notes allow taking collective meeting minutes directly inside Flock.
Cons:Rich text formatting in shared notes is limited to basic markdown headers and bullets.
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