Softwr

Cybersecurity · head to head

Chainguard vs Citizen

Chainguard logo

Chainguard

Cybersecurity

Secure-by-default open source software with hardened container images and libraries

From
Free
Free plan
Yes
Full reviewWebsite
Citizen logo

Citizen

Government

Real-time Safety Alerts

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Chainguard containers Catalog at 19,000 USD/year expensive for teams under 10 people; Citizen no premium or paid features mentioned
  • They diverge on capability: Chainguard covers Hardened container images, Citizen covers Real-time Alerts.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Chainguard and Citizen actually diverge.

Attributes where Chainguard and Citizen differ
AttributeChainguardCitizen
Pricing modelLicensing by artifact type and team sizefreemium
PlatformsCloud, Container, VMIos, Android
CategoryCybersecurityGovernment
FoundedUnknown2016

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 Chainguard

  • Hardened container images
  • CVE remediation SLA
  • SLSA L2/L3 builds
  • Sigstore signatures
  • SBOM generation
  • Language libraries
  • VM images
  • Artifact scanning

Only in Citizen

  • Real-time Alerts
  • 911 Monitoring
  • Live Video
  • Safety Map
  • Personal Safety
  • Emergency Services
  • Social Media
  • Location Services

What people use each for

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

Chainguard

  • Deploying hardened container images with minimal attack surfacenot Citizen
  • Meeting supply chain security requirements for regulated industriesnot Citizen
  • Reducing CVE exposure with contractual remediation guaranteesnot Citizen
  • Building secure language packages with automatic backportsnot Citizen
  • Verifying artifact provenance with Sigstore signaturesnot Citizen

Citizen

  • Citizen Servicesnot Chainguard
  • Records Managementnot Chainguard
  • Public Safetynot Chainguard
  • Civic Engagementnot Chainguard

Where each one falls short

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

Chainguard

  • Containers Catalog at 19,000 USD/year expensive for teams under 10 people
  • Per-image pricing for containers requires custom quotes with no transparency
  • Free tier limited to 5 container images for testing
  • Libraries pricing by ecosystem and developer count lacks transparent per-developer cost
  • VM image catalog pricing opacity makes cost estimation difficult

Citizen

  • No premium or paid features mentioned
  • App is completely free with no monetization model disclosed
  • No in-app purchases or premium tier mentioned
  • Subscription or paid features may exist but not disclosed

Pricing, plan by plan

Chainguard

Free
  • Free TierFree
    • Five container images to test and deploy
  • Containers Per-Image$undefined/custom
    • Licensed by quantity and type
    • Base images, application images, AI/ML images, FIPS variants
    • Custom pricing per image
  • Containers Catalog$19000/year
    • For 10-person engineering teams
    • 2,000+ container images
    • Contractual CVE remediation SLAs
  • Libraries Licensing$undefined/custom
    • Licensed by ecosystem (Python, Java, JavaScript)
    • Licensed by developer count
    • Unlimited pulls with no metering

Citizen

Free
  • BasicFree
    • Real-time Alerts
    • Incident Feed
    • Safety Map

Which should you pick?

Choose Chainguard if

  • You need hardened container images.
  • You want to start without paying.
  • You work on Cloud, Container, VM.
  • You also want cve remediation sla.
Chainguard review

Choose Citizen if

  • You need real-time alerts.
  • You want to start without paying.
  • You work on Ios, Android.
  • You also want 911 monitoring.
Citizen review

Questions people ask

Is Chainguard or Citizen better?
Neither clearly leads. Chainguard starts at Free and Citizen at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Chainguard or Citizen?
Chainguard starts at Free and Citizen at Free.
Does Chainguard or Citizen run on more platforms?
Chainguard runs on Cloud, Container, VM. Citizen runs on Ios, Android.
Can I use Chainguard for free?
Both have a free tier, so you can try either at no cost before committing.
What is Chainguard best used for?
Chainguard is most often used for deploying hardened container images with minimal attack surface, meeting supply chain security requirements for regulated industries, reducing cve exposure with contractual remediation guarantees, building secure language packages with automatic backports. Of those, deploying hardened container images with minimal attack surface and meeting supply chain security requirements for regulated industries are not what Citizen is typically brought in for.
What can Chainguard do that Citizen cannot?
Chainguard covers Hardened container images, CVE remediation SLA, SLSA L2/L3 builds, Sigstore signatures. Citizen covers Real-time Alerts, 911 Monitoring, Live Video, Safety Map.

Answered from the vendors’ own pages

Chainguard: How much is the Chainguard Containers Catalog?

The Containers Catalog is 19,000 USD per year for 10-person engineering teams, providing access to 2,000+ hardened container images.

Source
Citizen: How much does Citizen cost?

Citizen is available as a free app download for iOS and Android. The app includes core safety and alert features at no cost.

Source
Chainguard: What SLAs does Chainguard offer?

Chainguard provides contractual CVE remediation SLAs: 7 days for critical vulnerabilities, 14 days for high/medium/low severity, all with priority support.

Source
Citizen: Are there paid features or premium subscriptions in Citizen?

Citizen's website does not mention paid features, premium subscriptions, or in-app purchases. All advertised features appear to be included in the free app.

Source
Chainguard: Can I try Chainguard before purchasing?

Yes. The free tier includes five container images for testing and deployment, allowing hands-on evaluation.

Source
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