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Software · head to head

Amazon Redshift vs Cal.com

Amazon Redshift logo

Amazon Redshift

Software

Fast, scalable cloud data warehouse from AWS

From
Free
Rated
-
Full reviewWebsite
Cal.com logo

Cal.com

Software

Scheduling infrastructure for everyone

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Amazon Redshift on-demand pricing runs up to 75% higher than competitors like Snowflake and BigQuery; Cal.com free plan limited to single user only
  • They diverge on capability: Amazon Redshift covers Columnar Storage, Cal.com covers Custom booking pages.

Where they differ

Only the attributes on which Amazon Redshift and Cal.com actually diverge.

Attributes where Amazon Redshift and Cal.com differ
AttributeAmazon RedshiftCal.com
Pricing modelusage-basedfreemium
PlatformsWebWeb, Mobile app, Browser extension
Founded20122021

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

  • Columnar Storage
  • Massively Parallel
  • Machine Learning
  • AQUA Acceleration
  • Data Sharing
  • Federated Query
  • Concurrency Scaling
  • S3

Only in Cal.com

  • Custom booking pages
  • Team scheduling
  • Collective scheduling
  • Routing forms
  • Webhooks
  • Google Calendar
  • Outlook
  • Zoom

Both cover

  • Web support

What people use each for

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

Amazon Redshift

  • Business intelligencenot Cal.com
  • Data warehousingnot Cal.com
  • Real-time analyticsnot Cal.com
  • Reportingnot Cal.com
  • Machine learningnot Cal.com

Cal.com

  • Schedule meetings and manage availabilitynot Amazon Redshift
  • Accept payments via Stripe and PayPalnot Amazon Redshift
  • Integrate with Salesforce and HubSpotnot Amazon Redshift

Where each one falls short

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

Amazon Redshift

  • On-demand pricing runs up to 75% higher than competitors like Snowflake and BigQuery
  • Requires significant manual tuning including managing concurrency scaling costs and configuring Workload Management queues
  • Performance degrades without proper design of distribution keys and sort keys
  • Limited elastic resize options - can only halve or double current cluster size
  • AWS lock-in makes it unsuitable for multi-cloud architectures

Cal.com

  • Free plan limited to single user only
  • Free plan restricted to 1 user account
  • Teams plan requires yearly billing at $12/user/month
  • Organizations plan requires yearly billing at $28/user/month
  • Free plan lacks team collaboration features

Pricing, plan by plan

Amazon Redshift

Free
  • Free TrialFree
    • 750 DC2.Large hours
    • 2 months free
    • Full features
  • On-Demand$0.25/hour
    • Pay per node hour
    • All features
    • Standard support

Cal.com

Free

No published plan breakdown. See the Cal.com review.

Which should you pick?

Choose Amazon Redshift if

  • You need columnar storage.
  • You want to start without paying.
  • You also want massively parallel.
Amazon Redshift review

Choose Cal.com if

  • You need custom booking pages.
  • You want to start without paying.
  • You work on Web, Mobile app, Browser extension.
  • You also want team scheduling.
Cal.com review

Questions people ask

Is Amazon Redshift or Cal.com better?
Neither clearly leads. Amazon Redshift starts at Free and Cal.com at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon Redshift or Cal.com?
Amazon Redshift starts at Free and Cal.com at Free.
Does Amazon Redshift or Cal.com run on more platforms?
Amazon Redshift runs on Web. Cal.com runs on Web, Mobile app, Browser extension.
Can I use Amazon Redshift for free?
Both have a free tier, so you can try either at no cost before committing.
What is Amazon Redshift best used for?
Amazon Redshift is most often used for business intelligence, data warehousing, real-time analytics, reporting. Of those, business intelligence and data warehousing are not what Cal.com is typically brought in for.
What can Amazon Redshift do that Cal.com cannot?
Amazon Redshift covers Columnar Storage, Massively Parallel, Machine Learning, AQUA Acceleration. Cal.com covers Custom booking pages, Team scheduling, Collective scheduling, Routing forms. Both handle Web support.

Answered from the vendors’ own pages

Amazon Redshift: What deployment options does Amazon Redshift offer?

Redshift offers Provisioned Cluster (with RA3 or DC2 nodes) and Serverless options to match varying workloads. The new Redshift RG instance family, powered by Graviton, delivers 2.4x faster performance than RA3 at 30% lower cost per vCPU.

Source
Amazon Redshift: What does Amazon Redshift cost?

Provisioned cluster pricing: RA3 on-demand starts at $1.086/hour for ra3.xlplus. Serverless costs approximately $0.375 per RPU-hour with 4-RPU minimum (roughly $1.50/hour active workload). Managed storage costs $0.024/GB-month.

Source
Amazon Redshift: Does Redshift work with data lakes?

Yes, Redshift's integrated data lake query engine processes workloads on Apache Iceberg tables and other supported formats in Amazon S3, allowing you to run SQL analytics across your data warehouse and data lake from the same engine.

Source
Amazon Redshift: Is there a free tier for Amazon Redshift?

AWS offers a free trial with $300 USD in Serverless credits valid for 90 days, but Redshift is not part of the permanent AWS Free Tier.

Source
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Related pages

More on Amazon Redshift

More on Cal.com

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