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ClickHouse vs Krea

ClickHouse logo

ClickHouse

Software

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

From
Free
Rated
-
Full reviewWebsite
K

Krea

Software

Generate, enhance, and edit images, videos, or 3D meshes with AI

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; Krea usage is metered in compute units that vary by operation; the free tier grants only 100 units per day, and the $9 per month Basic tier steps up to 5,000 units, as of August 2026.

Where they differ

Only the attributes on which ClickHouse and Krea actually diverge.

Attributes where ClickHouse and Krea differ
AttributeClickHouseKrea
Starting priceFreeOn request
Pricing modelUnknownusage-based
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 Krea

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 Krea
  • Data warehousingnot Krea
  • Real-time analyticsnot Krea
  • Reportingnot Krea
  • Machine learningnot Krea

Krea

No use cases recorded yet. See the Krea 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

Krea

  • Usage is metered in compute units that vary by operation; the free tier grants only 100 units per day, and the $9 per month Basic tier steps up to 5,000 units, as of August 2026.

Pricing, plan by plan

ClickHouse

Free

No published plan breakdown. See the ClickHouse review.

Krea

On request

No published plan breakdown. See the Krea 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 Krea if

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

Krea review

Questions people ask

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

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