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Developer Tools · head to head

Atlantis vs Carrd

Atlantis logo

Atlantis

Developer Tools

Runs Terraform plan and apply from pull request comments, self-hosted and free

From
Free
Free plan
Yes
Full reviewWebsite
Carrd logo

Carrd

Web Development

Ultra-affordable one-page site builder.

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Atlantis there is no company, no service level agreement and no paid support at any price, and the six maintainers are volunteers with day jobs, which some risk committees will not accept for a component holding production cloud credentials.; Carrd free tier strictly limited to 3 sites; any additional sites require upgrading to Pro
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Atlantis and Carrd actually diverge.

Attributes where Atlantis and Carrd differ
AttributeAtlantisCarrd
Pricing modelOpen source, no licence feefreemium
PlatformsLinux, Docker, Kubernetes, Self-hostedWeb, Mobile
CategoryDeveloper ToolsWeb Development

Identical on both: starting price (Free), 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 Atlantis

  • Pull request plans
  • Comment driven apply
  • Workspace locking
  • Policy checking
  • Multi-platform webhooks
  • Custom workflows

Only in Carrd

Nothing recorded that Atlantis does not also cover.

What people use each for

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

Atlantis

  • Making Terraform review meaningful by putting the actual plan output in front of the approvernot Carrd
  • Removing local applies and the credential sprawl that comes with every engineer holding production keysnot Carrd
  • Getting pull request driven infrastructure without paying a per-user subscription for a hosted platformnot Carrd
  • Enforcing Conftest policies as a blocking check before an apply can runnot Carrd

Carrd

  • Indie makers and solopreneurs building personal portfolios or landing pagesnot Atlantis
  • Small business owners requiring minimal online presence at low costnot Atlantis
  • Link-in-bio alternatives for social media profiles and contact pagesnot Atlantis
  • Email capture pages for newsletters or lead magnetsnot Atlantis
  • Cost-conscious teams requiring a cheap website alternative to Webflow or Squarespacenot Atlantis

Where each one falls short

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

Atlantis

  • There is no company, no service level agreement and no paid support at any price, and the six maintainers are volunteers with day jobs, which some risk committees will not accept for a component holding production cloud credentials.
  • The security surface is inherently sharp, because it is an internet-reachable webhook endpoint that executes applies with privileged credentials, gated by pull request comment authorisation that is coarse next to a real policy engine.
  • It is stateful, holding a working directory and lock database on local disk, so high availability and horizontal scaling are awkward and you own upgrades, webhook plumbing, secret rotation and the host itself.
  • It lacks the features that distinguish the commercial alternatives, with no native drift detection, no cost estimation, no managed state interface and no policy engine beyond the Conftest integration.
  • Terragrunt and monorepo layouts are not first-class, requiring hand-written custom workflows and repository configuration that becomes a growing maintenance burden as the number of repositories increases.

Carrd

  • Free tier strictly limited to 3 sites; any additional sites require upgrading to Pro
  • Pro plan includes Carrd branding removal but still lacks advanced features (e-commerce, multi-step funnels, complex forms)
  • Single-page design only; does not support multi-page websites or complex site structures
  • Limited template library compared to competitors like Leadpages or Unbounce
  • Annual payment required for Pro tier; no monthly payment option
  • No native A/B testing, analytics dashboard or conversion optimisation tools built-in

Pricing, plan by plan

Atlantis

Free
  • AtlantisFree
    • Apache-2.0, no usage limits and no seat count
    • No commercial edition and no paid support tier
    • Community support through GitHub and the CNCF Slack channel

Carrd

Free
  • FreeFree
    • 3 sites
    • Responsive design
    • Templates and blank pages
  • Pro$19/year
    • Unlimited sites
    • Custom domain with SSL
    • Contact forms

Which should you pick?

Choose Atlantis if

  • You need pull request plans.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Self-hosted.
  • You also want comment driven apply.
Atlantis review

Choose Carrd if

  • You want to start without paying.
  • You work on Web, Mobile.
Carrd review

Questions people ask

Is Atlantis or Carrd better?
Neither clearly leads. Atlantis starts at Free and Carrd at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Atlantis or Carrd?
Atlantis starts at Free and Carrd at Free.
Does Atlantis or Carrd run on more platforms?
Atlantis runs on Linux, Docker, Kubernetes, Self-hosted. Carrd runs on Web, Mobile.
Can I use Atlantis for free?
Both have a free tier, so you can try either at no cost before committing.
What is Atlantis best used for?
Atlantis is most often used for making terraform review meaningful by putting the actual plan output in front of the approver, removing local applies and the credential sprawl that comes with every engineer holding production keys, getting pull request driven infrastructure without paying a per-user subscription for a hosted platform, enforcing conftest policies as a blocking check before an apply can run. Of those, making terraform review meaningful by putting the actual plan output in front of the approver and removing local applies and the credential sprawl that comes with every engineer holding production keys are not what Carrd is typically brought in for.
What can Atlantis do that Carrd cannot?
Atlantis covers Pull request plans, Comment driven apply, Workspace locking, Policy checking.

Answered from the vendors’ own pages

Atlantis: Is there a company behind Atlantis?

No. It runs as a series of LF Projects under the Linux Foundation and is maintained by volunteers. There is no vendor to buy support from and no service level agreement.

Carrd: How much does Carrd cost?

Carrd is free for up to 3 sites. The Pro plan costs $19/year and enables unlimited sites with custom domains, forms and integrations.

Source
Atlantis: Is it a CNCF project?

No. It uses a channel in the CNCF Slack, which is often misread as membership, but the project sits under LF Projects rather than the CNCF.

Carrd: Can I use Carrd for e-commerce?

Carrd's Pro plan supports payment forms with Stripe integration, but it is not a full e-commerce platform. Single-product sales or payment collection is possible, but inventory management and complex product catalogs are not supported.

Source
Atlantis: Does it work with OpenTofu?

Yes, there is a dedicated integration guide alongside Terraform, and it also has configuration for working with hosted Terraform backends.

Carrd: Can I create multi-page websites with Carrd?

No. Carrd is designed for single-page sites only. For multi-page websites, you would need to use a full website builder like Webflow or Squarespace.

Source
Atlantis: What does it not do that a paid platform does?

Drift detection, cost estimation, a managed state and run interface, and a real policy engine. Atlantis does pull request plan and apply well and stops there.

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