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Developer Tools · head to head

Harness vs MongoDB Atlas

Harness logo

Harness

Developer Tools

Software delivery platform across CI, CD, security testing and cost management

From
Free
Free plan
Yes
Full reviewWebsite
MongoDB Atlas logo

MongoDB Atlas

Technology

The multi-cloud developer data platform

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Harness essentials and Enterprise pricing requires sales contact; no published rates; MongoDB Atlas m0 free tier limited to learning and exploration only with no backup capability
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Harness and MongoDB Atlas actually diverge.

Attributes where Harness and MongoDB Atlas differ
AttributeHarnessMongoDB Atlas
Pricing modelfreemiumusage-based
CategoryDeveloper ToolsTechnology

Identical on both: starting price (Free), free tier (Yes), platforms (Web), user rating (Not yet rated).

What people use each for

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

Harness

  • Deploying apps to AWS, Azure, and Google Cloud with rollbacksnot MongoDB Atlas
  • Integrating security scanners throughout build pipelines before productionnot MongoDB Atlas
  • Automating cloud cost reduction and tracking unit-level expensesnot MongoDB Atlas
  • Enabling developers to provision infrastructure without operations bottlenecksnot MongoDB Atlas
  • Assessing deployment frequency and lead time productivity metricsnot MongoDB Atlas

MongoDB Atlas

  • Building applications with flexible JSON document storagenot Harness
  • Performing full-text and vector search on unstructured datanot Harness
  • Scaling multi-cloud deployments across AWS, Azure, GCPnot Harness
  • Streaming event data integration with Kafkanot Harness

Where each one falls short

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

Harness

  • Essentials and Enterprise pricing requires sales contact; no published rates
  • DevOps Essentials has no on-premises deployment option
  • Internal Developer Portal requires minimum 20 developer licenses
  • Pipeline execution history retention 6 months (Essentials) vs 25 months as add-on (Enterprise)

MongoDB Atlas

  • M0 free tier limited to learning and exploration only with no backup capability
  • Data transfer egress charges apply at 0.12 USD/GB for dedicated clusters; inbound free
  • MongoDB Search and Vector Search add significant per-hour costs starting at 0.12 USD/hour

Pricing, plan by plan

Harness

Free
  • FreeFree
    • Starter platform for software delivery lifecycle
    • Open source options available (Harness Open Source, Litmus Chaos)
  • Essentials$null/month
    • Growing organizations with small to mid-size teams
    • Packaged DevOps Essentials bundle
    • Continuous software delivery capabilities
  • Enterprise$null/month
    • Large-scale organizations
    • Pick any modules based on needs
    • Advanced features

MongoDB Atlas

Free
  • M0 (Free Tier)Free
    • 512 MB storage
    • Shared RAM and vCPU
    • No backups
  • Flex Tier$0.011/hour
    • 5 GB storage
    • Shared RAM and vCPU
    • Pay-as-you-go hourly billing
  • M2 Shared$9/month
    • 2 GB storage
    • Shared RAM and vCPU
  • M5 Shared$25/month
    • 5 GB storage
    • Shared RAM and vCPU

Which should you pick?

Choose Harness if

  • You want to start without paying.
Harness review

Choose MongoDB Atlas if

  • You want to start without paying.
MongoDB Atlas review

Questions people ask

Is Harness or MongoDB Atlas better?
Neither clearly leads. Harness starts at Free and MongoDB Atlas at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Harness or MongoDB Atlas?
Harness starts at Free and MongoDB Atlas at Free.
Does Harness or MongoDB Atlas run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Harness for free?
Both have a free tier, so you can try either at no cost before committing.
What is Harness best used for?
Harness is most often used for deploying apps to aws, azure, and google cloud with rollbacks, integrating security scanners throughout build pipelines before production, automating cloud cost reduction and tracking unit-level expenses, enabling developers to provision infrastructure without operations bottlenecks. Of those, deploying apps to aws, azure, and google cloud with rollbacks and integrating security scanners throughout build pipelines before production are not what MongoDB Atlas is typically brought in for.

Answered from the vendors’ own pages

Harness: Is there a free Harness plan?

Yes, Harness offers a free plan for individual developers and small teams with open source options including Harness Open Source and Litmus Chaos.

Source
MongoDB Atlas: How much does MongoDB Atlas cost?

MongoDB Atlas offers a free M0 tier with 512 MB storage, Flex tier at approximately 8-30 USD/month with pay-per-hour billing, shared clusters at 9-25 USD/month, and dedicated clusters from 56.94 USD/month. Add-on services like MongoDB Search cost 0.12-3.27 USD/hour.

Source
Harness: What are Harness's paid pricing tiers?

Harness offers Essentials for growing teams and Enterprise for large-scale organizations. Both require contacting sales for custom pricing. Pricing is based on modules and features selected.

Source
MongoDB Atlas: Is there a free tier?

Yes, MongoDB Atlas M0 free tier offers 512 MB storage with shared resources, suitable for learning and exploration. Flex tier allows pay-as-you-go usage starting at 0.011 USD/hour.

Source
Harness: Can Harness be deployed on-premises?

Enterprise plans include self-managed platform deployment option. DevOps Essentials bundle does not offer on-premises deployment.

Source
MongoDB Atlas: What are the data transfer limits?

Inbound data transfer is typically free; egress from dedicated clusters costs 0.12 USD/GB. Free and Flex tiers do not incur data transfer charges.

Source
MongoDB Atlas: What backup options are available?

M0 free tier and Flex tier do not include backups. Dedicated clusters M10 and above include backup services with region and snapshot storage-based pricing.

Source
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