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Software · head to head

ClickHouse vs Mattermost

ClickHouse logo

ClickHouse

Software

Fast open-source column-oriented database for real-time analytics

From
Free
Rated
-
Mattermost logo

Mattermost

Software

Channel-centric collaboration for secure workflows

From
On request
Rated
-

The short version

  • Only ClickHouse has a free tier, so it costs nothing to try first.
  • Each has a real cost: ClickHouse limited multi-row atomic transactions and expensive UPDATE/DELETE operations unsuitable for transactional systems; Mattermost no prices are published for any of the three paid tiers (Professional, Enterprise, Enterprise Advanced); all require contacting sales

Where they differ

Only the attributes on which ClickHouse and Mattermost actually diverge.

Attributes where ClickHouse and Mattermost differ
AttributeClickHouseMattermost
Starting priceFreeOn request
Pricing modelUnknownquote
Free tierYesNo
PlatformsLinux, macOS, Windows (via Docker)Web
Founded2021Unknown

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

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 ClickHouse

  • Column-oriented Storage
  • Real-time Analytics
  • SQL Support
  • Linear Scalability
  • Data Compression
  • Vectorized Query Execution
  • Approximate Calculations
  • Kafka

Only in Mattermost

Nothing recorded that ClickHouse does not also cover.

What people use each for

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

ClickHouse

  • Business intelligencenot Mattermost
  • Data warehousingnot Mattermost
  • Real-time analyticsnot Mattermost
  • Reportingnot Mattermost
  • Machine learningnot Mattermost

Mattermost

No use cases recorded yet. See the Mattermost review.

Where each one falls short

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

ClickHouse

  • Limited multi-row atomic transactions and expensive UPDATE/DELETE operations unsuitable for transactional systems
  • Requires upfront schema design discipline with MergeTree engine choices and sort/partition keys
  • Experimental vector search support, not production-ready for vector operations
  • Different query syntax from standard SQL requiring migration planning
  • Limited JOIN capabilities compared to traditional relational databases
  • Migration complexity with 2-4 weeks estimated for data type mapping and query translation

Mattermost

  • No prices are published for any of the three paid tiers (Professional, Enterprise, Enterprise Advanced); all require contacting sales
  • Professional is capped at a maximum of 250 users, forcing a move to Enterprise for larger teams
  • Licenses are sold only as prepaid annual subscriptions, and organizations that exceed their licensed seat count must purchase additional seats on a prorated quarterly basis

Pricing, plan by plan

ClickHouse

Free

No published plan breakdown. See the ClickHouse review.

Mattermost

On request

No published plan breakdown. See the Mattermost review.

Which should you pick?

Choose ClickHouse if

  • You need column-oriented storage.
  • You want to start without paying.
  • You work on Linux, macOS, Windows (via Docker).
  • You also want real-time analytics.

Choose Mattermost if

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

Questions people ask

Is ClickHouse or Mattermost better?
Neither clearly leads. ClickHouse 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, ClickHouse or Mattermost?
ClickHouse has a free tier; the other does not. Paid plans start at Free for ClickHouse and On request for Mattermost.
Does ClickHouse or Mattermost run on more platforms?
ClickHouse runs on Linux, macOS, Windows (via Docker). Mattermost runs on Web.
Can I use ClickHouse for free?
Yes. ClickHouse has a free tier, so you can try it without paying. Mattermost starts at On request.
What is ClickHouse best used for?
ClickHouse is most often used for business intelligence, data warehousing, real-time analytics, reporting. Of those, business intelligence and data warehousing are not what Mattermost is typically brought in for.
What can ClickHouse do that Mattermost cannot?
ClickHouse covers Column-oriented Storage, Real-time Analytics, SQL Support, Linear Scalability.

Answered from the vendors’ own pages

ClickHouse: What is ClickHouse best used for?

ClickHouse is optimized for analytical workloads on large datasets. It excels at fast aggregations and queries, being 10-100x faster than PostgreSQL on large aggregations.

Source
ClickHouse: Does ClickHouse support transactions?

ClickHouse has limited transaction support and expensive UPDATE/DELETE operations. It is not suitable for transactional workloads requiring strict ACID guarantees.

Source
ClickHouse: How does ClickHouse compare to PostgreSQL?

ClickHouse is 10-100x faster for analytics but PostgreSQL is better for transactional workloads. Many teams use both: PostgreSQL for writes via MaterializedPostgreSQL replication to ClickHouse for analytics.

Source

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