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Scalar
Scalar is excellent - but it's Vue, and it stops at OpenAPI and GraphQL. If you're on React or need more specs, here's the difference.
Scalar is a strong, modern renderer. Choose Apiboost Spec Renderer if you're a React shop or need AsyncAPI/SOAP/gRPC; Scalar is a fine pick if you're OpenAPI-first and framework-agnostic.
Feature
Spec types
Try-It console
Theming
React-native
Maintained
Pricing
Apiboost Spec Renderer
5 — OpenAPI + AsyncAPI free; GraphQL, SOAP, gRPC in Pro
Yes — free, with CORS proxy
70+ design tokens; full white-label in Pro
70+ design tokens; full white-label in Pro
Yes — commercially supported
Free core + Pro
Scalar
OpenAPI + GraphQL
Yes
Some (CSS)
No - Vue-based
Yes - actively developed
Free; Pro ~$72/mo
What they do well
Scalar is fast-moving, well-funded, and genuinely good - a polished interactive playground, a generous free tier with code samples, and adoption as the default docs UI in several frameworks. For an OpenAPI-first project, it's a serious choice.
Where Apiboost Spec Renderer wins
React-native - Scalar is Vue, so React teams wrap or iframe it | More specs - AsyncAPI, SOAP, and gRPC that Scalar doesn't render | 70+ design-token white-label, beyond CSS tweaks
How to switch
Add paragraph text. Click “Edit Text” to update the font, size and more. To change and reuse text themes, go to Site Styles.
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