Softwr

Databases · head to head

ClickHouse vs Hotjar

ClickHouse logo

ClickHouse

Databases

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

From
Free
Rated
-
Full reviewWebsite
Hotjar logo

Hotjar

E-Commerce

Understand how users behave on your site

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ClickHouse limited multi-row atomic transactions and expensive UPDATE/DELETE operations unsuitable for transactional systems; Hotjar website performance impact - Hotjar tracking code can cause noticeable slowdowns affecting site speed and Google rankings
  • They diverge on capability: ClickHouse covers Column-oriented Storage, Hotjar covers Heatmaps.

Where they differ

Only the attributes on which ClickHouse and Hotjar actually diverge.

Attributes where ClickHouse and Hotjar differ
AttributeClickHouseHotjar
PlatformsLinux, macOS, Windows (via Docker)Web
CategoryDatabasesE-Commerce
Founded20212014

Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), user rating (Not yet rated).

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 Hotjar

  • Heatmaps
  • Session recordings
  • Feedback widgets
  • Surveys
  • User interviews
  • Conversion funnels
  • Form analytics
  • Rage click detection

What people use each for

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

ClickHouse

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

Hotjar

  • User behavior analysisnot ClickHouse
  • Conversion optimizationnot ClickHouse
  • UX researchnot ClickHouse
  • Customer feedbacknot ClickHouse
  • Usability testingnot 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

Hotjar

  • Website performance impact - Hotjar tracking code can cause noticeable slowdowns affecting site speed and Google rankings
  • Session recording limits - free and lower-tier plans have monthly session recording caps that must be sampled above the limit
  • Inaccurate heatmaps on dynamic pages - heatmaps fail to display correctly on pages with modals, sticky navigation bars, and pop-up overlays
  • No mobile app - only web-based access available
  • Not real-time analytics - includes slight data processing delay

Pricing, plan by plan

ClickHouse

Free

No published plan breakdown. See the ClickHouse review.

Hotjar

Free

No published plan breakdown. See the Hotjar 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 Hotjar if

  • You need heatmaps.
  • You want to start without paying.
  • You also want session recordings.
Hotjar review

Questions people ask

Is ClickHouse or Hotjar better?
Neither clearly leads. ClickHouse starts at Free and Hotjar at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ClickHouse or Hotjar?
ClickHouse starts at Free and Hotjar at Free.
Does ClickHouse or Hotjar run on more platforms?
ClickHouse runs on Linux, macOS, Windows (via Docker). Hotjar 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 Hotjar is typically brought in for.
What can ClickHouse do that Hotjar cannot?
ClickHouse covers Column-oriented Storage, Real-time Analytics, SQL Support, Linear Scalability. Hotjar covers Heatmaps, Session recordings, Feedback widgets, Surveys.

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
Hotjar: Does Hotjar have a free tier?

Yes. Hotjar's free plan (now under Contentsquare) includes 200,000 monthly sessions, 10,000 session replays, and unlimited heatmaps, with no time limit on the free tier.

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
Hotjar: Can I export my data from Hotjar?

Yes. Hotjar allows exporting heatmaps as JPG images, survey responses as CSV files, and session recording metadata. Advanced export options are available through the Hotjar API.

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
Hotjar: Does Hotjar provide real-time analytics?

No. Hotjar has a slight delay in data processing and does not offer true real-time analytics compared to some competitors.

Source
Hotjar: What integrations does Hotjar support?

Hotjar integrates with Google Analytics, Google Tag Manager, Slack, HubSpot, Jira, Linear, Microsoft Teams, Zapier, and hundreds of other tools through its API and partner integrations.

Source
Share

Related pages

More on ClickHouse

More on Hotjar

Keep looking

Other head to heads