vioscale
Comparison

Cloud Custodian vs Prowler

On the evidence we track, Prowler leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Cloud Custodian full profile →Prowler full profile →
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Cloud Custodian53
★Prowler80
Score
Vioscale score
Cloud Custodian53 / 100low · 41%updating
Prowler80 / 100medium · 73%updating
Pricing
Free tier
Cloud Custodian✓
Prowler✓
Model
Cloud Custodianopen_source
Prowlerfreemium
Price level
Cloud Custodianfree
Prowlerlow
Transparent
Cloud Custodian✓
Prowler✓
Integrations
Count
Cloud Custodian1
Prowler10
Security
Disclosure policy
Cloud Custodian–
Prowler✓
Fedramp
Cloud Custodian–
Prowler✓
Gdpr
Cloud Custodian–
Prowler✓
Hipaa
Cloud Custodian–
Prowler✓
Iso27001
Cloud Custodian–
Prowler✓
Pci
Cloud Custodian–
Prowler✓
Scorecard
Cloud Custodian8.7
Prowler–
Soc2
Cloud Custodian–
Prowler✓
Vulnerabilities
Reliability
Status page
Cloud Custodian✓
Prowler✓
Adoption
Dependent repos
Cloud Custodian80
Prowler–
Github stars
Cloud Custodian6,053
Prowler–
Activity
Commits last 30d
Cloud Custodian45
Prowler–
Release
Cadence days
Cloud Custodian54
Prowler–
History
Cloud Custodian20 items
Prowler–
License
Spdx
Cloud CustodianApache-2.0
Prowler–
Language
Primary
Cloud CustodianPython
Prowler–
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for cloud security software. “-” means undocumented, not absent.

Posture
CSPM (posture / misconfig)
Cloud Custodian✓
Prowler✓
KSPM (Kubernetes posture)
Cloud Custodian✓
Prowler✓
Workload
CWPP (workload protection)
Cloud Custodian✗
Prowler✓
Entitlements
CIEM (entitlements)
Cloud Custodian✗
Prowler✓
Data
DSPM (data posture)
Cloud Custodian✗
Prowler-
Pipeline
IaC / pipeline scanning
Cloud Custodian✓
Prowler✓
Architecture
Agentless scanning
Cloud Custodian✓
Prowler-
Runtime
Runtime protection
Cloud Custodian✗
Prowler-
Coverage
Cloud coverage
Cloud CustodianAWS, Azure, GCP (primary); Kubernetes, Tencent Cloud, OpenStack (beta)
ProwlerAWS, Microsoft Azure, Google Cloud, Kubernetes, GitHub, Microsoft 365, Oracle Cl
Compliance
Compliance frameworks assessed
Cloud Custodian-
ProwlerCIS, NIST 800, NIST CSF, CISA, MITRE ATT&CK, RBI, FedRAMP, PCI-DSS, NIS2, GDPR,
Licensing
Open-core scanner available
Cloud Custodian✓
Prowler✓

What each one is

The product in its own terms, so the numbers below have context.

Cloud Custodian

Cloud Custodian enables management of cloud resources through filtering, tagging, and policy-driven actions using a YAML DSL. It supports real-time compliance enforcement and cost optimization across AWS, Azure, GCP, and other cloud platforms.

Independently observed

Prowler

Leader

World's most widely adopted, open cloud security platform that detects vulnerabilities, prioritizes risk, accelerates remediation, and ensures continuous compliance.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Cloud Custodian

Open source

Open source and free under Apache 2.0 license

as of verify ↗

Prowler

Leader
from $0.30/moSubscriptionFree tier

From $79/account/mo (annual) or $99/account/mo (monthly). Free trial available.

  • Prowler Cloud$99/account/mo (monthly) or $79/account/mo (annual, 20% savings)
    • Scanning for all providers
    • All checks and compliance frameworks
    • Lighthouse AI agentic assistant
    • MCP Server for Agentic Workflows
    • SOC 2 Type 2 compliant
    • +1 more
  • Prowler Private CloudContact sales
    • Custom providers, checks and compliance policies
    • Custom SIEM integrations
    • AWS Security Lake integration
    • Data residency of choice
    • White glove onboarding
    • +1 more
  • Prowler for MSPs/MSSPsContact sales
    • Multi-tenant environment
    • Consolidated billing and invoicing
    • Deal registration and co-marketing
    • Enterprise support
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Cloud Custodian✗
Prowler✓
CLI
Cloud Custodian✓
Prowler✓
Deployment
Cloud / SaaS
Cloud Custodian✓
Prowler✓
Self-hosted
Cloud Custodian✓
Prowler✓
On-premise
Cloud Custodian✗
Prowler✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Cloud Custodian

1 total
  • Terraform
Independently observed

Prowler

Leader
10 total
  • AWS
  • Microsoft Azure
  • Google Cloud
  • Kubernetes
  • GitHub
  • Microsoft 365
  • Oracle Cloud
  • Alibaba Cloud
  • Cloudflare
  • OpenStack
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.