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Databases · head to head

ClickHouse vs Helm

ClickHouse logo

ClickHouse

Databases

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

From
Free
Free plan
Yes
Visit ClickHouseFull review
H

Helm

Developer Tools

The package manager for Kubernetes

From
Free
Free plan
Yes
Visit HelmFull review

The short version

  • Helm is a Kubernetes package manager, licensed Apache 2.
  • Both are free.
  • Where ClickHouse falls short: limited multi-row atomic transactions and expensive UPDATE/DELETE operations unsuitable for transactional systems.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which ClickHouse and Helm actually diverge.

Attributes where ClickHouse and Helm differ
AttributeClickHouseHelm
PlatformsLinux, macOS, WindowsWeb
CategoryDatabasesDeveloper Tools

Identical on both: starting price (Free), free tier (Yes).

Not yet recorded: pricing model for ClickHouse, founded for Helm.

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 Helm

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

Helm

  • Kubernetes package manager and deployment toolnot ClickHouse

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

Helm

  • Contributors must sign commits under the Developer Certificate of Origin to have them accepted, per helm.sh, a process requirement not all Kubernetes tools impose

Pricing, plan by plan

ClickHouse

Free

No published plan breakdown. See the ClickHouse review.

Helm

Free

No published plan breakdown. See the Helm 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.
  • You also want real-time analytics.
ClickHouse review

Choose Helm if

  • You want to start without paying.
Helm review

Questions people ask

Is ClickHouse or Helm better?
Neither clearly leads. ClickHouse starts at Free and Helm at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ClickHouse or Helm?
ClickHouse starts at Free and Helm at Free.
Does ClickHouse or Helm run on more platforms?
ClickHouse runs on Linux, macOS, Windows. Helm runs on Web.
Can I use ClickHouse for free?
Both have a free tier, so you can try either at no cost before committing.
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 Helm is typically brought in for.
What can ClickHouse do that Helm 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
Helm: How much does Helm cost?

Helm is free and open-source. It is a graduated project in the Cloud Native Computing Foundation (CNCF) with no commercial pricing model.

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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