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Spline vs Subframe

Updated June 2026 · A structured head-to-head comparison.

3D design in the browser.

Design and ship UI with real React code.

The verdict

Both Spline and Subframe are credible ui ux design tools, and the right pick comes down to your priorities.

Choose Spline if you want broader platform coverage. 3D design in the browser.

Subframe — Design and ship UI with real React code.

Spline vs Subframe: side by side

DimensionSplineSubframe
Starting priceFree – $9/moFree – $29/mo
Free planYesYes
Pricing modelFreemiumFreemium
Best forDesignersDevelopers, Designers
PlatformsWeb, Mac, WindowsWinnerWeb
Rating4.6/54.5/5

Spline key facts

Vendor
Spline
Pricing
Freemium — Free – $9/mo
Free tier
Yes
Platforms
Web, Mac, Windows
Best for
Designers
Editor rating
4.6 / 5
Founded
2020
Headquarters
Remote

Subframe key facts

Vendor
Subframe
Pricing
Freemium — Free – $29/mo
Free tier
Yes
Platforms
Web
Best for
Developers, Designers
Editor rating
4.5 / 5
Founded
2023
Headquarters
San Francisco, CA, USA

Frequently asked questions

Is Spline better than Subframe?

Neither is universally better — Spline edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.

Is Spline or Subframe cheaper?

Spline is the more affordable of the two to get started, at free – $9/mo. Spline starts at free – $9/mo; Subframe starts at free – $29/mo.

Can Spline replace Subframe?

Yes for most teams — both are ui ux design tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.