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Developer Tools · head to head

Atlantis vs Rapid7 InsightVM

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
Rapid7 InsightVM logo

Rapid7 InsightVM

Cybersecurity

Vulnerability management at scale

From
$1.62/month
Free plan
No
Full reviewWebsite

The short version

  • Only Atlantis has a free tier, so it costs nothing to try first.
  • 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.; Rapid7 InsightVM insightVM is now sold inside Exposure Command rather than as a standalone product
  • They diverge on capability: Atlantis covers Pull request plans, Rapid7 InsightVM covers Asset discovery.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Atlantis and Rapid7 InsightVM actually diverge.

Attributes where Atlantis and Rapid7 InsightVM differ
AttributeAtlantisRapid7 InsightVM
Starting priceFree$1.62/month
Pricing modelOpen source, no licence feeusage-based
Free tierYesNo
PlatformsLinux, Docker, Kubernetes, Self-hostedWeb, Cloud, Api
CategoryDeveloper ToolsCybersecurity
FoundedUnknown2000

Identical on both: 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 Rapid7 InsightVM

  • Asset discovery
  • Vulnerability scanning
  • Risk prioritization
  • Threat intelligence
  • Custom policies
  • Remediation tracking
  • Compliance reporting
  • API access

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 Rapid7 InsightVM
  • Removing local applies and the credential sprawl that comes with every engineer holding production keysnot Rapid7 InsightVM
  • Getting pull request driven infrastructure without paying a per-user subscription for a hosted platformnot Rapid7 InsightVM
  • Enforcing Conftest policies as a blocking check before an apply can runnot Rapid7 InsightVM

Rapid7 InsightVM

  • Vulnerability management and risk assessmentnot Atlantis
  • Web application security scanningnot Atlantis
  • Cloud infrastructure security monitoringnot 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.

Rapid7 InsightVM

  • InsightVM is now sold inside Exposure Command rather than as a standalone product
  • Rapid7 states pricing is not publicly listed and is provided by custom quote based on the customer's environment
  • Billing counts billable assets including devices, software, identities, cloud compute instances and applications, so the asset count grows faster than a device inventory suggests
  • Cloud security, compliance, infrastructure as code scanning and application security testing require the Ultimate package rather than Essentials
  • Volume discounts are described as commonly available for larger asset counts, so smaller buyers pay the higher unit rate

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

Rapid7 InsightVM

$1.62/month
  • InsightVM$1.62/month per asset
    • Vulnerability risk management
    • Unlimited user accounts
    • 24/7 technical support
  • InsightAppSec$175/month
    • Web application security
    • Per application pricing
    • Unlimited user accounts
  • InsightCloudsec$5775/month
    • Cloud security
    • Up to 500 instances
    • Unlimited user accounts

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 Rapid7 InsightVM if

  • You need asset discovery.
  • You work on Web, Cloud, Api.
  • You also want vulnerability scanning.
Rapid7 InsightVM review

Questions people ask

Is Atlantis or Rapid7 InsightVM better?
Neither clearly leads. Atlantis starts at Free and Rapid7 InsightVM at $1.62/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Atlantis or Rapid7 InsightVM?
Atlantis has a free tier; the other does not. Paid plans start at Free for Atlantis and $1.62/month for Rapid7 InsightVM.
Does Atlantis or Rapid7 InsightVM run on more platforms?
Atlantis runs on Linux, Docker, Kubernetes, Self-hosted. Rapid7 InsightVM runs on Web, Cloud, Api.
Can I use Atlantis for free?
Yes. Atlantis has a free tier, so you can try it without paying. Rapid7 InsightVM starts at $1.62/month.
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 Rapid7 InsightVM is typically brought in for.
What can Atlantis do that Rapid7 InsightVM cannot?
Atlantis covers Pull request plans, Comment driven apply, Workspace locking, Policy checking. Rapid7 InsightVM covers Asset discovery, Vulnerability scanning, Risk prioritization, Threat intelligence.

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.

Rapid7 InsightVM: What is the starting price for Rapid7 InsightVM?

InsightVM starts at $1.62 per month per asset, with example pricing provided for 500-asset deployments.

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.

Rapid7 InsightVM: How much does InsightAppSec cost?

InsightAppSec starts at $175 per month per application for web application security scanning.

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.

Rapid7 InsightVM: What does InsightCloudsec cover?

InsightCloudsec starts at $5,775 per month for cloud security monitoring of up to 500 instances.

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.

Rapid7 InsightVM: Do Rapid7 products include unlimited user accounts?

Yes, all Rapid7 products include unlimited user accounts, 24/7 technical support, single sign-on, and customer-success team access.

Source
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