Updated & Verified for 2026

MattermostvsFlock

Which software dominates in the enterprise space? An in-depth analysis of pricing, features, and user reviews.

Consensus score synthesized by AI from 2,995+ verified user reviews across major platforms.
M
Collaboration

Mattermost

4.5(1,250 reviews)
Enterprise and government organizationsEst. 2016

Open-source collaboration platform for secure, enterprise-grade messaging.

Top Capabilities

  • Organized team channels and direct messaging
  • File sharing and searchable message history
  • Integrated voice and video calling

Key Integrations

Jira GitHub GitLab

Platforms

Web, iOS, Android, Mac, Windows, Linux

Security

SOC2GDPRHIPAA

Support Options

Community Forum • Email Support • 24/7 Premium Support

Starting at
14-day free trial for Enterprise Edition
$10/mo
Per User/Month
Visit Website
F
Collaboration

Flock

4.4(1,745 reviews)
SMBs, Startups, Remote TeamsEst. 2014

Best for small to medium teams seeking an all-in-one team communication and collaboration platform.

Top Capabilities

  • Channels
  • Direct Messaging
  • File Sharing

Key Integrations

Google Drive Trello Zapier

Platforms

Web, iOS, Android, Mac, Windows, Linux

Security

GDPRSOC2

Support Options

24/7 Live Chat • Email Support • Knowledge Base

Starting at
14-day free trial
$4.5/mo
Per User/Month
Visit Website

Feature Analysis: Pros & Cons

Unbiased breakdown of what each platform does best.

Why choose Mattermost?

  • Highly customizable open-source platform.
  • Strong security and compliance features.
  • Excellent self-hosted deployment option.

Where it falls short

  • User interface can be less intuitive than competitors.
  • Limited third-party integrations compared to Slack.
  • Mobile app performance could be improved.

Why choose Flock?

  • User-friendly interface
  • Integrated collaboration tools (to-do, notes, file sharing)
  • Affordable pricing

Where it falls short

  • Limited third-party integrations
  • Video conferencing features are basic
  • Search functionality could be improved

The Bottom Line

Choose Mattermost if...

You agree with the premise: "Open-source collaboration platform for secure, enterprise-grade messaging.". It is the superior choice if you prioritize its specific capabilities and have the budget to support its $10/mo starting tier.

Choose Flock if...

You are looking for: "Best for small to medium teams seeking an all-in-one team communication and collaboration platform.". It serves as an excellent alternative in the market, especially given its competitive entry point of $4.5/mo.

Data algorithmically verified against public vendor information for May 2026.

Disclaimer: Pricing, features, and compliance information are subject to change by the respective software vendors. While we strive to maintain absolute accuracy through automated pipelines, discrepancies may occur. Please verify final pricing on the vendor's official website.

Suggest an EditClaim this Profile (For Vendors)