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Developer Tools · head to head

Helm vs Radix UI

H

Helm

Developer Tools

The package manager for Kubernetes

From
Free
Free plan
Yes
Full reviewWebsite
Radix UI logo

Radix UI

Web Development

Unstyled, accessible React component primitives

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Helm licensed under Apache License 2.0 per the project's GitHub repository (helm/helm LICENSE); as open source software it has no paid tier or vendor price to compare; Radix UI you write all the styling, so time to a finished interface is much longer than with a styled library
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Helm and Radix UI actually diverge.

Attributes where Helm and Radix UI differ
AttributeHelmRadix UI
Pricing modelopen-sourceOpen source, no licence fee
CategoryDeveloper ToolsWeb Development

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 Helm

Nothing recorded that Radix UI does not also cover.

Only in Radix UI

  • Unstyled primitives
  • Accessibility built in
  • Composable API
  • Controlled or uncontrolled

What people use each for

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

Helm

  • Kubernetes package manager and deployment toolnot Radix UI

Radix UI

  • Design systems that need correct accessibility without inherited visual opinionsnot Helm
  • Replacing hand-built dropdowns and dialogs that have accessibility bugsnot Helm
  • Teams with a designer whose output should not be constrained by a library’s themenot Helm

Where each one falls short

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

Helm

  • Licensed under Apache License 2.0 per the project's GitHub repository (helm/helm LICENSE); as open source software it has no paid tier or vendor price to compare
  • Contributors must sign commits under the Developer Certificate of Origin to have them accepted, per helm.sh, a process requirement not all Kubernetes tools impose

Radix UI

  • You write all the styling, so time to a finished interface is much longer than with a styled library
  • Composable part-based APIs are more verbose than a single component with props
  • Covers primitives rather than complex widgets, so data grids and date pickers come from elsewhere

Pricing, plan by plan

Helm

Free

No published plan breakdown. See the Helm review.

Radix UI

Free
  • Radix UIFree
    • Full functionality
    • Commercial use permitted
    • Community support

Which should you pick?

Choose Helm if

  • You want to start without paying.
Helm review

Choose Radix UI if

  • You need unstyled primitives.
  • You want to start without paying.
  • You also want accessibility built in.
Radix UI review

Questions people ask

Is Helm or Radix UI better?
Neither clearly leads. Helm starts at Free and Radix UI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Helm or Radix UI?
Helm starts at Free and Radix UI at Free.
Does Helm or Radix UI run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Helm for free?
Both have a free tier, so you can try either at no cost before committing.
What is Helm best used for?
Helm is most often used for kubernetes package manager and deployment tool. Of those, kubernetes package manager and deployment tool is not what Radix UI is typically brought in for.
What can Helm do that Radix UI cannot?
Radix UI covers Unstyled primitives, Accessibility built in, Composable API, Controlled or uncontrolled.

Answered from the vendors’ own pages

Helm: How much does Helm cost?

Helm is free and open-source. It is a graduated project in the Cloud Native Computing Foundation (CNCF) with no commercial pricing model.

Source
Radix UI: Is Radix UI free?

Yes, open source under the MIT licence.

Radix UI: Why use unstyled components?

Because accessibility is the hard part and visual design is the part teams want to own. Radix gives the first and stays out of the second.

Radix UI: What is the relationship with shadcn/ui?

shadcn/ui is built on Radix primitives, adding Tailwind styling and copy-paste distribution on top.

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