Softwr

Communication · head to head

Chatwork vs Mattermost

Chatwork logo

Chatwork

Communication

Group chat for global teams, built to replace email with real-time communication

From
Free
Rated
-
Full reviewWebsite
Mattermost logo

Mattermost

Communication

Channel-centric collaboration for secure workflows

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Chatwork has a free tier, so it costs nothing to try first.
  • Each has a real cost: Chatwork free plan limited to 100 users; Mattermost no published pricing on public website; requires sales contact for all tiers
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Chatwork and Mattermost actually diverge.

Attributes where Chatwork and Mattermost differ
AttributeChatworkMattermost
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo

Identical on both: platforms (Web), user rating (Not yet rated), category (Communication).

What people use each for

The jobs each tool is most often brought in to do.

Chatwork

  • Team communication and collaborationnot Mattermost

Mattermost

  • Team messaging and collaborationnot Chatwork
  • Secure enterprise communicationnot Chatwork
  • On-premise or self-hosted deploymentnot Chatwork

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Chatwork

  • Free plan limited to 100 users
  • Free plan message history limited to last 40 days
  • Standard plan pricing: $7/month annual or $8.40/month monthly

Mattermost

  • No published pricing on public website; requires sales contact for all tiers
  • Three tiers (Professional, Enterprise, Enterprise Advanced) have feature differences but no cost transparency
  • User scaling caps differ between tiers without public price justification

Pricing, plan by plan

Chatwork

Free
  • FreeFree
    • Secure messaging
    • Unlimited group chats
    • 1:1 video calls
  • Standard$7/month
    • All Free features
    • Unlimited message history
    • Group video calls

Mattermost

On request

No published plan breakdown. See the Mattermost review.

Which should you pick?

Choose Chatwork if

  • You want to start without paying.
Chatwork review

Choose Mattermost if

Nothing in the data separates Mattermost from Chatwork on the points above - pick on price and on how each one feels to use.

Mattermost review

Questions people ask

Is Chatwork or Mattermost better?
Neither clearly leads. Chatwork starts at Free and Mattermost at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Chatwork or Mattermost?
Chatwork has a free tier; the other does not. Paid plans start at Free for Chatwork and On request for Mattermost.
Does Chatwork or Mattermost run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Chatwork for free?
Yes. Chatwork has a free tier, so you can try it without paying. Mattermost starts at On request.
What is Chatwork best used for?
Chatwork is most often used for team communication and collaboration. Of those, team communication and collaboration is not what Mattermost is typically brought in for.

Answered from the vendors’ own pages

Chatwork: How much does Chatwork cost?

Chatwork is free for up to 100 users. The Standard plan costs $7 per month with annual subscription or $8.40 per month with monthly subscription for unlimited users.

Source
Mattermost: What user limits apply to each Mattermost pricing tier?

Professional tier supports maximum 250 users. Enterprise scales to 50,000 concurrent users. Enterprise Advanced scales to 200,000 concurrent users. Exact per-user costs not stated.

Source
Chatwork: What is the limit on the Chatwork free plan?

The free plan supports up to 100 users and limits message history to the last 40 days. It includes secure messaging, unlimited group chats, 1:1 video calls, 10GB storage per organization, and task management.

Source
Mattermost: What support response times are included with each plan?

Professional includes community support plus business hours professional support with next business day response. Enterprise includes 24x7 support with 4-hour response time. Enterprise Advanced includes 24x7 with Premier Support option.

Source
Chatwork: What does the Chatwork Standard plan add?

The Standard plan ($7-8.40/month) adds unlimited message history, group video calls, 10GB storage per user instead of per organization, advanced search, dedicated support, user management controls, and CSV contact import.

Source
Mattermost: How much does Mattermost cost for teams under 250 users?

Pricing for Professional tier with user counts under 250 is not disclosed publicly. Contact Mattermost sales for specific quotes.

Source
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