Softwr

SEO & Website Optimization · head to head

Lighthouse vs Spline

Lighthouse logo

Lighthouse

SEO & Website Optimization

Audit web page performance and quality

From
Free
Rated
-
Full reviewWebsite
Spline logo

Spline

Design Tools

3D design tool for the web

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Lighthouse described by the vendor as an open-source, automated tool with community contributions welcomed, no commercial edition; Spline aI generation features produce inconsistent and often distorted results, failing at basic depth perception tasks
  • They diverge on capability: Lighthouse covers Performance scoring, Spline covers 3D modeling.

Where they differ

Only the attributes on which Lighthouse and Spline actually diverge.

Attributes where Lighthouse and Spline differ
AttributeLighthouseSpline
Pricing modelfreefreemium
PlatformsChrome, EdgeWeb, iOS, Android, visionOS
CategorySEO & Website OptimizationDesign Tools
Founded19982020

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

  • Performance scoring
  • Accessibility audit
  • SEO check
  • PWA validation
  • Chrome support
  • Edge support

Only in Spline

  • 3D modeling
  • Real-time collaboration
  • Animations
  • Interactions
  • Code export
  • React
  • Next.js
  • Webflow

What people use each for

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

Lighthouse

No use cases recorded yet. See the Lighthouse review.

Spline

  • Web 3D experiencesnot Lighthouse
  • Interactive prototypesnot Lighthouse
  • Product visualizationnot Lighthouse

Where each one falls short

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

Lighthouse

  • Described by the vendor as an open-source, automated tool with community contributions welcomed, no commercial edition

Spline

  • AI generation features produce inconsistent and often distorted results, failing at basic depth perception tasks
  • Limited to simpler designs - not suitable for high-poly, detailed production models
  • Performance degrades with complex scenes containing many objects and materials
  • Limited non-Apple platform coverage compared to cross-platform design tools
  • Tutorials are either too fast for beginners or too basic for advanced users

Pricing, plan by plan

Lighthouse

Free
  • FreeFree
    • Performance audit
    • Accessibility check
    • SEO analysis

Spline

Free
  • FreeFree
    • Unlimited projects
    • Basic exports
    • Community support
  • Pro$9/month
    • Advanced exports
    • Custom domains
    • Password protection
  • Team$19/month
    • Team collaboration
    • Version control
    • Admin controls

Which should you pick?

Choose Lighthouse if

  • You need performance scoring.
  • You want to start without paying.
  • You work on Chrome, Edge.
  • You also want accessibility audit.
Lighthouse review

Choose Spline if

  • You need 3d modeling.
  • You want to start without paying.
  • You work on Web, iOS, Android, visionOS.
  • You also want real-time collaboration.
Spline review

Questions people ask

Is Lighthouse or Spline better?
Neither clearly leads. Lighthouse starts at Free and Spline at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lighthouse or Spline?
Lighthouse starts at Free and Spline at Free.
Does Lighthouse or Spline run on more platforms?
Lighthouse runs on Chrome, Edge. Spline runs on Web, iOS, Android, visionOS.
Can I use Lighthouse for free?
Both have a free tier, so you can try either at no cost before committing.
What can Lighthouse do that Spline cannot?
Lighthouse covers Performance scoring, Accessibility audit, SEO check, PWA validation. Spline covers 3D modeling, Real-time collaboration, Animations, Interactions.

Answered from the vendors’ own pages

Spline: What is Spline's pricing?

Spline offers a Free plan with watermarked web exports, Starter at $12/month (billed annually) removing watermarks, Professional at $20/month with unlimited projects, and Enterprise with custom pricing. Viewers are unlimited on all plans.

Source
Spline: Can Spline export 3D models to other tools?

Spline's export/import format support is more limited compared to traditional 3D tools like Blender. It focuses on web-first exports and native app code generation.

Source
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Related pages

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