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Cybersecurity · head to head

Keygen vs Sysdig

Keygen logo

Keygen

Cybersecurity

Open, source-available software licensing API

From
Free
Rated
-
Full reviewWebsite
Sysdig logo

Sysdig

Cybersecurity

Cloud-native runtime security platform with real-time detection and response

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Keygen has a free tier, so it costs nothing to try first.
  • Each has a real cost: Keygen specific Active Licensed User (ALU) pricing not listed; requires interactive pricing calculator; Sysdig custom pricing requires sales contact, difficult to compare costs
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Keygen and Sysdig actually diverge.

Attributes where Keygen and Sysdig differ
AttributeKeygenSysdig
Starting priceFreeOn request
Pricing modelusage-basedCustom pricing based on number of hosts, events processed, or time series data
Free tierYesNo
PlatformsWebKubernetes, Docker, AWS, GCP, Azure, Cloud-native
FoundedUnknown2013

Identical on both: user rating (Not yet rated), category (Cybersecurity).

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 Keygen

Nothing recorded that Sysdig does not also cover.

Only in Sysdig

  • Real-time threat detection and response
  • Runtime intelligence
  • AI-powered security agents
  • Vulnerability management
  • Cloud Security Posture Management
  • Container and Kubernetes security
  • Infrastructure as Code security
  • Cloud Infrastructure Entitlement Management

What people use each for

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

Keygen

  • Software licensing and distributionnot Sysdig
  • Product release managementnot Sysdig
  • API-based license verificationnot Sysdig

Sysdig

  • Real-time threat detection in Kubernetes clustersnot Keygen
  • Container workload vulnerability prioritizationnot Keygen
  • Cloud security posture compliance monitoringnot Keygen
  • Infrastructure entitlement and permission analysisnot Keygen
  • AI workload security and threat remediationnot Keygen

Where each one falls short

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

Keygen

  • Specific Active Licensed User (ALU) pricing not listed; requires interactive pricing calculator
  • Whitelabel API add-on costs $995/year per domain

Sysdig

  • Custom pricing requires sales contact, difficult to compare costs
  • No published pricing tiers or calculator available
  • Primarily focused on cloud-native environments
  • Requires integration with existing SIEM or monitoring tools for full visibility
  • Steep learning curve for runtime security concepts

Pricing, plan by plan

Keygen

Free
  • DevFree
    • Up to 100 Active Licensed Users
    • 10 product releases
    • Core licensing API only
  • Std$null/month
    • Scaling with licensing volume
    • Distribution API (OCI/Docker, npm, Rubygems, PyPI, Tauri)
    • Flat monthly/yearly fees
  • Enterprise$null/month
    • Audit logs
    • SAML/SSO
    • IP filtering

Sysdig

On request

No published plan breakdown. See the Sysdig review.

Which should you pick?

Choose Keygen if

  • You want to start without paying.
Keygen review

Choose Sysdig if

  • You need real-time threat detection and response.
  • You work on Kubernetes, Docker, AWS, GCP, Azure, Cloud-native.
  • You also want runtime intelligence.
Sysdig review

Questions people ask

Is Keygen or Sysdig better?
Neither clearly leads. Keygen starts at Free and Sysdig at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keygen or Sysdig?
Keygen has a free tier; the other does not. Paid plans start at Free for Keygen and On request for Sysdig.
Does Keygen or Sysdig run on more platforms?
Keygen runs on Web. Sysdig runs on Kubernetes, Docker, AWS, GCP, Azure, Cloud-native.
Can I use Keygen for free?
Yes. Keygen has a free tier, so you can try it without paying. Sysdig starts at On request.
What is Keygen best used for?
Keygen is most often used for software licensing and distribution, product release management, api-based license verification. Of those, software licensing and distribution and product release management are not what Sysdig is typically brought in for.
What can Keygen do that Sysdig cannot?
Sysdig covers Real-time threat detection and response, Runtime intelligence, AI-powered security agents, Vulnerability management.

Answered from the vendors’ own pages

Keygen: Does Keygen have a free tier?

Yes, the Dev tier is free and supports up to 100 Active Licensed Users with 10 product releases and core licensing API access.

Source
Sysdig: How does Sysdig achieve real-time threat detection?

Sysdig uses runtime intelligence with kernel-level system visibility, capturing live system calls to detect threats at machine speed, typically within 2 seconds.

Source
Keygen: How is Keygen pricing calculated?

Keygen uses scalable, flat monthly or yearly fees based on your licensing volume (Active Licensed Users). No revenue share or transaction fees are charged.

Source
Sysdig: What is runtime intelligence and how does it differ from configuration-based security?

Runtime intelligence reveals what is actually executing in cloud environments through kernel-level visibility, rather than relying on theoretical risks from configuration analysis alone.

Source
Keygen: Does Keygen charge for additional features like SSO?

SAML/SSO is included in Enterprise tiers. Whitelabel API support costs $995/year per domain. Premium Support SLA is $995/month for Enterprise.

Source
Sysdig: What cloud platforms does Sysdig support?

Sysdig supports AWS, GCP, Azure, and IBM Cloud with multiple regional data centers across US, EU, and other regions.

Source
Sysdig: Does Sysdig integrate with existing security tools?

Yes, Sysdig integrates with existing SIEM and monitoring tools to provide unified security visibility across cloud infrastructure.

Source
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