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Cybersecurity · head to head

Keygen vs LaunchDarkly

Keygen logo

Keygen

Cybersecurity

Open, source-available software licensing API

From
Free
Free plan
Yes
Visit KeygenFull review
LaunchDarkly logo

LaunchDarkly

Developer Tools

Ship fast. Rest easy.

From
Free
Free plan
Yes
Visit LaunchDarklyFull review

The short version

  • LaunchDarkly is a feature management platform.
  • Keygen is free; LaunchDarkly starts at $12/mo.
  • Where Keygen falls short: specific Active Licensed User (ALU) pricing not listed; requires interactive pricing calculator.
  • Where LaunchDarkly falls short: pricing scales rapidly with monthly active users, becoming expensive at scale.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Keygen and LaunchDarkly actually diverge.

Attributes where Keygen and LaunchDarkly differ
AttributeKeygenLaunchDarkly
PlatformsWebWeb, APIs
CategoryCybersecurityDeveloper Tools

Identical on both: starting price (Free), free tier (Yes).

Not yet recorded: pricing model for LaunchDarkly, founded for Keygen.

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 LaunchDarkly does not also cover.

Only in LaunchDarkly

  • Feature flags
  • Progressive rollouts
  • User targeting
  • A/B testing
  • Kill switches
  • Audit log
  • Multi-environment
  • SDKs for all platforms

What people use each for

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

Keygen

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

LaunchDarkly

  • Progressive deliverynot Keygen
  • Feature experimentationnot Keygen
  • Risk mitigationnot Keygen
  • Performance optimizationnot Keygen
  • Infrastructure migrationnot 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

LaunchDarkly

  • Pricing scales rapidly with monthly active users, becoming expensive at scale
  • Limited seats for engineers on standard plans, forcing upgrade to enterprise
  • Advanced features like experimentation and audit logs require higher-tier plans
  • Occasional reliability issues and backend delays reported by users

Pricing, plan by plan

Keygen

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

LaunchDarkly

Free
  • DeveloperFree
    • Unlimited seats
    • Unlimited feature flags
    • A/B tests and experiments
  • FoundationOn request
    • $12 per connection
    • $10 per 1K MAU
    • Targeted segmentation
  • EnterpriseOn request
    • Custom pricing
    • Advanced automation
    • Compliance features

Which should you pick?

Choose Keygen if

  • You want to start without paying.
Keygen review

Choose LaunchDarkly if

  • You need feature flags.
  • You want to start without paying.
  • You work on Web, APIs.
  • You also want progressive rollouts.
LaunchDarkly review

Questions people ask

Is Keygen or LaunchDarkly better?
Neither clearly leads. Keygen starts at Free and LaunchDarkly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keygen or LaunchDarkly?
Keygen starts at Free and LaunchDarkly at Free.
Does Keygen or LaunchDarkly run on more platforms?
Keygen runs on Web. LaunchDarkly runs on Web, APIs.
Can I use Keygen for free?
Both have a free tier, so you can try either at no cost before committing.
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 LaunchDarkly is typically brought in for.
What can Keygen do that LaunchDarkly cannot?
LaunchDarkly covers Feature flags, Progressive rollouts, User targeting, A/B testing.

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
LaunchDarkly: What does the free Developer plan include?

The free Developer plan includes unlimited seats, unlimited feature flags, A/B tests and experiments, 30 SDKs, 10 million logs and traces, 5,000 session replays and errors, and 14 days of data retention.

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
LaunchDarkly: How does LaunchDarkly pricing scale?

Foundation plan pricing is $12 per connection plus $10 per 1,000 Monthly Active Users (MAU). Enterprise and Guardian plans have custom pricing based on usage, advanced features, and compliance requirements.

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
LaunchDarkly: Does LaunchDarkly integrate with Jira and Slack?

Yes, LaunchDarkly integrates with Jira Cloud, allowing you to link feature flags to Jira issues and create issues from observability data. It also integrates with Slack for flag notifications and allows authorized members to trigger flag changes from Slack.

Source
LaunchDarkly: What is dark launching and how does LaunchDarkly enable it?

Dark launching keeps code changes hidden in production until ready to enable. LaunchDarkly enables this through feature flags that let teams safely test code in production before rolling out to users.

Source
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