Softwr

Design · head to head

Spline vs Subframe

Spline logo

Spline

Design

3D design tool for the web

From
Free
Rated
-
Full reviewWebsite
Subframe logo

Subframe

Design

The AI-native design tool built for code

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Spline aI generation features produce inconsistent and often distorted results, failing at basic depth perception tasks; Subframe free plan limited to 1 project and 10 pages
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Spline and Subframe actually diverge.

Attributes where Spline and Subframe differ
AttributeSplineSubframe
PlatformsWeb, iOS, Android, visionOSWeb
Founded2020Unknown

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Design).

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 Spline

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

Only in Subframe

Nothing recorded that Spline does not also cover.

What people use each for

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

Spline

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

Subframe

  • Creating production-ready interfaces without static mockupsnot Spline
  • Syncing design components with code as single source of truthnot Spline
  • Building responsive designs with auto layoutnot Spline
  • Real-time multiplayer collaboration with layer commentingnot Spline
  • Exporting Radix UI and Tailwind CSS code via CLInot Spline

Where each one falls short

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

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

Subframe

  • Free plan limited to 1 project and 10 pages
  • Free plan includes limited AI features compared to Pro
  • Pro plan billed per editor, not per team

Pricing, plan by plan

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

Subframe

Free
  • FreeFree
    • 1 project
    • Up to 10 pages
    • 2 prototypes
  • Pro$29/month
    • Unlimited projects
    • Unlimited pages
    • Unlimited prototypes

Which should you pick?

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

Choose Subframe if

  • You want to start without paying.
Subframe review

Questions people ask

Is Spline or Subframe better?
Neither clearly leads. Spline starts at Free and Subframe at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Spline or Subframe?
Spline starts at Free and Subframe at Free.
Does Spline or Subframe run on more platforms?
Spline runs on Web, iOS, Android, visionOS. Subframe runs on Web.
Can I use Spline for free?
Both have a free tier, so you can try either at no cost before committing.
What is Spline best used for?
Spline is most often used for web 3d experiences, interactive prototypes, product visualization. Of those, web 3d experiences and interactive prototypes are not what Subframe is typically brought in for.
What can Spline do that Subframe cannot?
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
Subframe: Is there a free version of Subframe?

Yes, Subframe offers a free plan with 1 project, up to 10 pages, 2 prototypes, unlimited team members, and limited AI features.

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
Subframe: How is the Pro plan priced?

Subframe Pro costs $29 per editor per month, with unlimited projects, pages, prototypes, and AI usage.

Source
Subframe: Are viewer seats free?

Yes, Subframe offers free viewer seats across all pricing plans, allowing team members to view without an editor license.

Source
Share

Related pages

More on Spline

More on Subframe

Keep looking

Other head to heads