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Design · head to head

Linearity Curve vs Subframe

Linearity Curve logo

Linearity Curve

Design

Professional vector design for Mac and iPad

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: Linearity Curve limited to Apple ecosystem (Mac, iPad, iPhone) with no Windows or Linux support; 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 Linearity Curve and Subframe actually diverge.

Attributes where Linearity Curve and Subframe differ
AttributeLinearity CurveSubframe
Pricing modelUnknownfreemium
PlatformsMac, IosWeb
Founded2017Unknown

Identical on both: starting price (Free), 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 Linearity Curve

  • Vector editing
  • Auto Trace
  • Typography tools
  • Pen tool
  • iCloud sync
  • Adobe Creative Cloud
  • Sketch
  • Figma

Only in Subframe

Nothing recorded that Linearity Curve does not also cover.

What people use each for

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

Linearity Curve

  • Vector illustrationnot Subframe
  • Logo designnot Subframe
  • UI designnot Subframe
  • Print designnot Subframe

Subframe

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

Where each one falls short

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

Linearity Curve

  • Limited to Apple ecosystem (Mac, iPad, iPhone) with no Windows or Linux support
  • Requires annual or monthly subscription for commercial use, unlike competitors offering lifetime purchase options
  • Free plan is severely limited to only 3 Curve files and 5GB storage

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

Linearity Curve

Free
  • StarterFree
    • 50 lifetime credits
    • 3 Curve files
    • 5GB storage
  • Pro$11.99/month
    • 250 monthly credits
    • Unlimited files
    • 100GB storage
  • Business$65/month
    • 500 monthly credits
    • 500GB storage
    • Brand management

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 Linearity Curve if

  • You need vector editing.
  • You want to start without paying.
  • You work on Mac, Ios.
  • You also want auto trace.
Linearity Curve review

Choose Subframe if

  • You want to start without paying.
Subframe review

Questions people ask

Is Linearity Curve or Subframe better?
Neither clearly leads. Linearity Curve 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, Linearity Curve or Subframe?
Linearity Curve starts at Free and Subframe at Free.
Does Linearity Curve or Subframe run on more platforms?
Linearity Curve runs on Mac, Ios. Subframe runs on Web.
Can I use Linearity Curve for free?
Both have a free tier, so you can try either at no cost before committing.
What is Linearity Curve best used for?
Linearity Curve is most often used for vector illustration, logo design, ui design, print design. Of those, vector illustration and logo design are not what Subframe is typically brought in for.
What can Linearity Curve do that Subframe cannot?
Linearity Curve covers Vector editing, Auto Trace, Typography tools, Pen tool.

Answered from the vendors’ own pages

Linearity Curve: Does Linearity Curve have a free plan?

Yes, Linearity offers a free Starter plan with 50 lifetime credits, 1 basic brand kit, and 5GB cloud storage. No credit card is required to access the free tier.

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
Linearity Curve: Can I use Linearity Curve on multiple devices?

Yes, Linearity Curve is available on Mac, iPad, and iPhone, with real-time collaboration allowing teams to see changes instantly across devices.

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
Linearity Curve: What file formats can I export from Linearity Curve?

Linearity Curve supports exporting to industry-standard formats including .ai, SVG, PDF, PNG, JPG, and TIFF, making it compatible with other design tools.

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
Linearity Curve: Does Linearity Curve have AI-powered vectorization?

Yes, Linearity Curve includes an Auto Trace feature with three modes (Sketch, Photography, Illustration) that uses AI to instantly vectorize images into editable paths. It also includes AI-powered background removal.

Source
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