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Cybersecurity · head to head

Keygen vs StackBlitz

Keygen logo

Keygen

Cybersecurity

Open, source-available software licensing API

From
Free
Free plan
Yes
Full reviewWebsite
StackBlitz logo

StackBlitz

Developer Tools

Browser-based IDE and AI app builder running full Node.js stacks via WebContainers

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Keygen specific Active Licensed User (ALU) pricing not listed; requires interactive pricing calculator; StackBlitz specific Teams and Enterprise pricing figures are not published; visitors must request a quote or infer from the pricing calculator.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Keygen and StackBlitz actually diverge.

Attributes where Keygen and StackBlitz differ
AttributeKeygenStackBlitz
Pricing modelusage-basedfreemium
CategoryCybersecurityDeveloper Tools

Identical on both: starting price (Free), free tier (Yes), platforms (Web), 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 Keygen

Nothing recorded that StackBlitz does not also cover.

Only in StackBlitz

  • WebContainers
  • Bolt.new AI app builder
  • Instant boot times
  • GitHub project import
  • Team collaboration
  • Offline functionality

What people use each for

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

Keygen

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

StackBlitz

  • Editing a GitHub repository instantly in the browser without cloning itnot Keygen
  • Generating a working web app from a text prompt with Bolt.newnot Keygen
  • Sharing private projects across a team without individual GitHub seats for viewersnot Keygen
  • Running lightweight Node.js projects with no local setupnot 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

StackBlitz

  • Specific Teams and Enterprise pricing figures are not published; visitors must request a quote or infer from the pricing calculator.
  • Browser-based execution via WebContainers has limits on which native/binary dependencies can run compared to a real server-backed environment.
  • Heavy or resource-intensive workloads may be constrained by the end user's own browser and machine resources.

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

StackBlitz

Free
  • PersonalFree
    • Unlimited public projects, collections, and GitHub repositories
    • View and edit without a GitHub account
  • Teams$undefined/mo
    • Private collections and repositories for paid members
    • Free and paid member roles
    • Automatic permission mirroring for org-owned repositories

Which should you pick?

Choose Keygen if

  • You want to start without paying.
Keygen review

Choose StackBlitz if

  • You need webcontainers.
  • You want to start without paying.
  • You work on web.
  • You also want bolt.new ai app builder.
StackBlitz review

Questions people ask

Is Keygen or StackBlitz better?
Neither clearly leads. Keygen starts at Free and StackBlitz at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keygen or StackBlitz?
Keygen starts at Free and StackBlitz at Free.
Does Keygen or StackBlitz run on more platforms?
Keygen runs on Web. StackBlitz runs on web.
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 StackBlitz is typically brought in for.
What can Keygen do that StackBlitz cannot?
StackBlitz covers WebContainers, Bolt.new AI app builder, Instant boot times, GitHub project import.

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
StackBlitz: Is there a free plan, and what are its limits?

Yes, the free Personal plan includes unlimited public StackBlitz projects, collections, and GitHub repositories, and lets anyone view and edit projects without needing a GitHub account.

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
StackBlitz: What does the Teams plan add?

Teams lets GitHub organizations add free or paid members; paid members get access to private collections and repositories, with permissions mirrored from GitHub-owned repos.

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
StackBlitz: Is there an Enterprise option?

Yes, custom Enterprise plans are available and require contacting StackBlitz directly.

Source
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