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Software · head to head

ClickHouse vs Rocket.Chat

ClickHouse logo

ClickHouse

Software

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

From
Free
Rated
-
Full reviewWebsite
Rocket.Chat logo

Rocket.Chat

Software

Deployment flexibility and compliance across regulatory frameworks

From
On request
Rated
-
Full reviewWebsite

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; Rocket.Chat no prices, tier names with numbers, or minimum seats are published anywhere on the pricing page; all three paid editions (Commercial, Government, Defense) route to Contact sales or Contact us

Where they differ

Only the attributes on which ClickHouse and Rocket.Chat actually diverge.

Attributes where ClickHouse and Rocket.Chat differ
AttributeClickHouseRocket.Chat
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 Rocket.Chat

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 Rocket.Chat
  • Data warehousingnot Rocket.Chat
  • Real-time analyticsnot Rocket.Chat
  • Reportingnot Rocket.Chat
  • Machine learningnot Rocket.Chat

Rocket.Chat

No use cases recorded yet. See the Rocket.Chat 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

Rocket.Chat

  • No prices, tier names with numbers, or minimum seats are published anywhere on the pricing page; all three paid editions (Commercial, Government, Defense) route to Contact sales or Contact us
  • The free community edition is not represented on the pricing page at all, which lists only the three quote-only enterprise tiers

Pricing, plan by plan

ClickHouse

Free

No published plan breakdown. See the ClickHouse review.

Rocket.Chat

On request

No published plan breakdown. See the Rocket.Chat 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.
ClickHouse review

Choose Rocket.Chat if

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

Rocket.Chat review

Questions people ask

Is ClickHouse or Rocket.Chat better?
Neither clearly leads. ClickHouse starts at Free and Rocket.Chat at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ClickHouse or Rocket.Chat?
ClickHouse has a free tier; the other does not. Paid plans start at Free for ClickHouse and On request for Rocket.Chat.
Does ClickHouse or Rocket.Chat run on more platforms?
ClickHouse runs on Linux, macOS, Windows (via Docker). Rocket.Chat runs on Web.
Can I use ClickHouse for free?
Yes. ClickHouse has a free tier, so you can try it without paying. Rocket.Chat 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 Rocket.Chat is typically brought in for.
What can ClickHouse do that Rocket.Chat 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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Related pages

More on ClickHouse

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