Softwr

Communication · head to head

Lark vs Mattermost

Lark logo

Lark

Communication

The super app for team collaboration

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 Lark has a free tier, so it costs nothing to try first.
  • Each has a real cost: Lark vendor website positions as best-priced but actual costs not verified; Mattermost no published pricing on public website; requires sales contact for all tiers
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Lark and Mattermost actually diverge.

Attributes where Lark and Mattermost differ
AttributeLarkMattermost
Starting priceFreeOn request
Pricing modelsubscriptionquote
Free tierYesNo
PlatformsWeb, Windows, Macos, Linux, Ios, AndroidWeb
Founded2019Unknown

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

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Lark

  • Team messaging
  • Video conferencing
  • Collaborative docs
  • Cloud storage
  • Calendar
  • Jira
  • GitHub
  • Salesforce

Only in Mattermost

Nothing recorded that Lark does not also cover.

What people use each for

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

Lark

  • Team collaborationnot Mattermost
  • All-in-one workspacenot Mattermost
  • Communication platformnot Mattermost
  • Project managementnot Mattermost
  • Document collaborationnot Mattermost

Mattermost

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

Where each one falls short

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

Lark

  • Vendor website positions as best-priced but actual costs not verified

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

Lark

Free
  • StarterFree
    • Up to 50 users
    • 100GB storage
    • Unlimited messaging
  • Pro$12/month
    • Unlimited users
    • 1TB storage per user
    • 24-hour meetings
  • Enterprise$20/month
    • SSO/SAML
    • eDiscovery
    • Custom retention

Mattermost

On request

No published plan breakdown. See the Mattermost review.

Which should you pick?

Choose Lark if

  • You need team messaging.
  • You want to start without paying.
  • You work on Web, Windows, Macos, Linux, Ios, Android.
  • You also want video conferencing.
Lark review

Choose Mattermost if

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

Mattermost review

Questions people ask

Is Lark or Mattermost better?
Neither clearly leads. Lark 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, Lark or Mattermost?
Lark has a free tier; the other does not. Paid plans start at Free for Lark and On request for Mattermost.
Does Lark or Mattermost run on more platforms?
Lark runs on Web, Windows, Macos, Linux, Ios, Android. Mattermost runs on Web.
Can I use Lark for free?
Yes. Lark has a free tier, so you can try it without paying. Mattermost starts at On request.
What is Lark best used for?
Lark is most often used for team collaboration, all-in-one workspace, communication platform, project management. Of those, team collaboration and all-in-one workspace are not what Mattermost is typically brought in for.
What can Lark do that Mattermost cannot?
Lark covers Team messaging, Video conferencing, Collaborative docs, Cloud storage.

Answered from the vendors’ own pages

Lark: What pricing plans does Lark offer?

Lark advertises itself as a best-priced all-in-one solution with multiple pricing plans, but specific pricing tiers, costs, and features are not publicly detailed on accessible pages.

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
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
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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