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Mattermost vs Output Messenger Comparison

Last updated:

Mattermost

3.5(572 reviews)

Starting at $3.25 /User/Month

  • Free Trial
  • Large Enterprises
  • Medium Business

Mattermost is an open source messaging platform that brings all business communication into one place. More than just chat, Mattermost is built around a modern team communication workflow. It includes integrated video co…

Output Messenger

4.1(31 reviews)

Starting at $35 /Year

  • Free Trial
  • Large Enterprises
  • Medium Business

Output Messenger is an easy to use software that allows business to connect with others and keep in touch, regardless of proximity. Output Messenger provides instant chat options, file sharing, a task manager and more. I…

Output Messenger leads on user satisfaction with a 4.1-star rating across 31 reviews.

Mattermost vs Output Messenger — at a glance

FeatureMattermostOutput Messenger
Rating3.5 / 54.1 / 5
Reviews57231
Starting price$3.25 /User/Month$35 /Year
Free trial Yes Yes
Free version No No
Best forLarge Enterprises, Medium Business, Small BusinessLarge Enterprises, Medium Business, Small Business
CategoryBusiness Instant Messaging SoftwareBusiness Instant Messaging Software
PlatformsSaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - MacMobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac
APIAvailableAvailable
Support modesOnlineOnline
Certifications
Data residencyGlobalUS

Key differences between Mattermost and Output Messenger

  • Pricing: Mattermost starts at $3.25 /User/Month, while Output Messenger starts at $35 /Year.
  • User satisfaction: Output Messenger scores higher with a 4.1-star average.
  • Deployment: Mattermost supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac; Output Messenger supports Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac.

Mattermost vs Output Messenger — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

Where each product wins, per real buyers

Most Business Instant Messaging Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

Mattermost - Business Instant Messaging Software
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Talk to an expert
Output Messenger - Business Instant Messaging Software
Talk to an expert
Talk to an expert

Biggest differences

Start here before you go deeper into features.

Mattermost

Best for

Large Enterprises, Medium Business, Small Business

Output Messenger

Best for

Large Enterprises, Medium Business, Small Business

Mattermost typically suits Large Enterprises and Medium Business. Output Messenger tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.

Description

Mattermost is an open source messaging platform that brings all business communication into one place. More than just chat, Mattermost is built around a modern team communication workflow. ... Read More about Mattermost

Output Messenger is an easy to use software that allows business to connect with others and keep in touch, regardless of proximity. Output Messenger provides instant chat options, file ... Read More about Output Messenger

Entry Level Pricing

  • Starts from $3.25
  • Starts from $35

Free Trial Availability

  • Free Trial available
  • Free Trial available

User Ratings

Based on verified Spotsaas reviews

4.1

(31)
Get pricing help
Get pricing help

Software Demo

Demo

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Compare Mattermost and Output Messenger on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Pricing Option

      Starting From

      • $3.25
      • $35

      Pricing Plans

      • Not Available
      • Not Available

      Pricing Page

      Mattermost pricing
      Output Messenger pricing

      Other Details

      Organization Types supported

      • Large Enterprises
      • Freelancers
      • Small Business
      • Medium Business
      • Individuals
      • Large Enterprises
      • Freelancers
      • Small Business
      • Medium Business
      • Individuals

      Platforms Supported

      • Installed - Windows
      • Browser Based (Cloud)
      • Mobile - Android
      • Mobile - iOS
      • Installed - Mac
      • Mobile - Windows
      • Browser Based (Cloud)
      • Installed - Windows
      • Browser Based (Cloud)
      • Mobile - Android
      • Mobile - iOS
      • Installed - Mac
      • Mobile - Windows
      • Browser Based (Cloud)

      Modes of support

      • 24/7 (Live rep)
      • Business Hours
      • Online
      • 24/7 (Live rep)
      • Business Hours
      • Online

      API Support

      • Available
      • Available
      Get help choosing
      Get help choosing

      Security & Compliance

      Certifications, data handling, and security controls for IT and compliance evaluators.

      HIPAA

      ✗ No
      ✗ No

      Data Residency

      🌐 Global
      🇺🇸 US

      Mattermost User Reviews & Rating Comparison

      User Ratings

      Rating Distribution

      31

      1

      0

      1

      1

      6

      2

      2

      0

      0

      Spotsaas Editor’s POV generated by AI

      Buyer sentiment

      Buyer sentiment is mixed to positive across 34 reviews, with clear strengths and a few common watchouts.

      What buyers like

      • Open source flexibility
      • Integrated video conferencing
      • Multiple app integrations

      Common complaints

      • Steeper learning curve
      • Requires self-hosting
      • Limited mobile features

      Buyer sentiment

      Buyer sentiment is positive across 10 reviews, with strong overall satisfaction.

      What buyers like

      • Easy to use
      • File sharing capabilities
      • Task management features

      Common complaints

      • Limited advanced features
      • Basic customization options
      • May lack scalability

      Pros and Cons

      • Highly customizable for specific business needs.

      • Strong integration with various business tools.

      • Supports both desktop and mobile platforms.

      • May require technical expertise for setup.

      • Self-hosting can lead to maintenance challenges.

      • User-friendly design promotes quick adoption.

      • File sharing enhances collaboration.

      • Task management features streamline workflows.

      • Limited features may not satisfy all users.

      • Scalability could be an issue for larger teams.

      Positive Reviews

      No reviews available for the product

      No reviews available for the product

      List of Customers

      Customers

      Samsung

      Samsung

      SAP

      SAP

      Commonwealth Bank

      Commonwealth Bank

      No Customers information available.

      Media and Screenshots

      Screenshots

      File List Integration

      4 Screenshots

      Task Management

      1 Screenshots

      Videos

      video-0

      4 Videos

      video-0

      2 Videos

      Top Alternatives to Mattermost and Output Messenger in 2026

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      Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

      Frequently asked questions

      Which is better, Mattermost or Output Messenger?
      Output Messenger edges out the other on user ratings (4.1 vs 3.5). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
      Do Mattermost and Output Messenger offer a free trial?
      Yes, both Mattermost and Output Messenger offer a free trial.
      What is the starting price of Mattermost vs Output Messenger?
      Mattermost starts at $3.25 /User/Month. Output Messenger starts at $35 /Year.
      What are the top alternatives to Mattermost?
      Top alternatives to Mattermost include mi.team, Rocket.Chat, Glip, Zulip, Output Messenger.
      What are the top alternatives to Output Messenger?
      Top alternatives to Output Messenger include Slack, uShare.to, Trillian, Dialog, Office Chat.

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