Softwr

Communication · head to head

Mattermost vs WhatsApp

Mattermost logo

Mattermost

Communication

Channel-centric collaboration for secure workflows

From
On request
Rated
-
Full reviewWebsite
WhatsApp logo

WhatsApp

Communication

Simple. Reliable. Private.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only WhatsApp has a free tier, so it costs nothing to try first.
  • Each has a real cost: Mattermost no published pricing on public website; requires sales contact for all tiers; WhatsApp consumer app messaging and calling is free, but the vendor notes carrier data charges may apply
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mattermost and WhatsApp actually diverge.

Attributes where Mattermost and WhatsApp differ
AttributeMattermostWhatsApp
Starting priceOn requestFree
Pricing modelquotefree
Free tierNoYes
PlatformsWebWeb, Windows, Macos, Ios, Android
FoundedUnknown2009

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 Mattermost

Nothing recorded that WhatsApp does not also cover.

Only in WhatsApp

  • Text messaging
  • Voice calls
  • Video calls
  • Group chats
  • Status updates
  • File sharing
  • Voice messages
  • Location sharing

What people use each for

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

Mattermost

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

WhatsApp

  • Personal messagingnot Mattermost
  • Family communicationnot Mattermost
  • Business communicationnot Mattermost
  • Group coordinationnot Mattermost
  • International callingnot Mattermost

Where each one falls short

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

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

WhatsApp

  • Consumer app messaging and calling is free, but the vendor notes carrier data charges may apply

Pricing, plan by plan

Mattermost

On request

No published plan breakdown. See the Mattermost review.

WhatsApp

Free
  • FreeFree
    • Unlimited messaging
    • Voice and video calls
    • Group chats up to 1024 people

Which should you pick?

Choose Mattermost if

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

Mattermost review

Choose WhatsApp if

  • You need text messaging.
  • You want to start without paying.
  • You work on Web, Windows, Macos, Ios, Android.
  • You also want voice calls.
WhatsApp review

Questions people ask

Is Mattermost or WhatsApp better?
Neither clearly leads. Mattermost starts at On request and WhatsApp at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mattermost or WhatsApp?
WhatsApp has a free tier; the other does not. Paid plans start at On request for Mattermost and Free for WhatsApp.
Does Mattermost or WhatsApp run on more platforms?
Mattermost runs on Web. WhatsApp runs on Web, Windows, Macos, Ios, Android.
Can I use WhatsApp for free?
Yes. WhatsApp has a free tier, so you can try it without paying. Mattermost starts at On request.
What is Mattermost best used for?
Mattermost is most often used for team messaging and collaboration, secure enterprise communication, on-premise or self-hosted deployment. Of those, team messaging and collaboration and secure enterprise communication are not what WhatsApp is typically brought in for.
What can Mattermost do that WhatsApp cannot?
WhatsApp covers Text messaging, Voice calls, Video calls, Group chats.

Answered from the vendors’ own pages

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
WhatsApp: How much does WhatsApp cost for personal users?

WhatsApp messaging and calling are free for personal users. Data charges may apply depending on your mobile provider.

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
WhatsApp: Does WhatsApp offer a business product?

Yes, WhatsApp Business exists to help companies reach customers, showcase products, and increase sales, though specific pricing for business messaging features is not detailed on the main website.

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
Share

Related pages

More on Mattermost

More on WhatsApp

Keep looking

Other head to heads