Softwr

Design · head to head

Linearity Curve vs Quill

Linearity Curve logo

Linearity Curve

Design

Professional vector design for Mac and iPad

From
Free
Rated
-
Full reviewWebsite
Quill logo

Quill

AR VR

VR illustration and animation tool

From
$24.99/one-time
Rated
-
Full reviewWebsite

The short version

  • Only Linearity Curve has a free tier, so it costs nothing to try first.
  • Each has a real cost: Linearity Curve limited to Apple ecosystem (Mac, iPad, iPhone) with no Windows or Linux support; Quill no pricing information published on the main website; users directed to contact for pricing
  • They diverge on capability: Linearity Curve covers Vector editing, Quill covers VR illustration.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Linearity Curve and Quill actually diverge.

Attributes where Linearity Curve and Quill differ
AttributeLinearity CurveQuill
Starting priceFree$24.99/one-time
Pricing modelUnknownone-time
Free tierYesNo
PlatformsMac, IosVr, Quest
CategoryDesignAR VR
Founded20172021

Identical on both: 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 Linearity Curve

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

Only in Quill

  • VR illustration
  • Animation timeline
  • Layers
  • Brushes
  • FBX export
  • Video export
  • Alembic
  • Vr support

What people use each for

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

Linearity Curve

  • Vector illustrationnot Quill
  • Logo designnot Quill
  • UI designnot Quill
  • Print designnot Quill

Quill

  • VR Gamingnot Linearity Curve
  • AR Marketingnot Linearity Curve
  • Virtual Trainingnot Linearity Curve
  • 3D Visualizationnot Linearity Curve
  • Immersive Experiencesnot 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

Quill

  • No pricing information published on the main website; users directed to contact for pricing

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

Quill

$24.99/one-time
  • Quill$24.99/one-time
    • VR illustration
    • Animation
    • Export

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 Quill if

  • You need vr illustration.
  • You work on Vr, Quest.
  • You also want animation timeline.
Quill review

Questions people ask

Is Linearity Curve or Quill better?
Neither clearly leads. Linearity Curve starts at Free and Quill at $24.99/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Linearity Curve or Quill?
Linearity Curve has a free tier; the other does not. Paid plans start at Free for Linearity Curve and $24.99/one-time for Quill.
Does Linearity Curve or Quill run on more platforms?
Linearity Curve runs on Mac, Ios. Quill runs on Vr, Quest.
Can I use Linearity Curve for free?
Yes. Linearity Curve has a free tier, so you can try it without paying. Quill starts at $24.99/one-time.
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 Quill is typically brought in for.
What can Linearity Curve do that Quill cannot?
Linearity Curve covers Vector editing, Auto Trace, Typography tools, Pen tool. Quill covers VR illustration, Animation timeline, Layers, Brushes.

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
Quill: How much does Quill cost?

Quill does not publish pricing information on its website. Interested users are directed to contact the team at [email protected] or visit the Get Quill section to inquire about pricing and licensing options.

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
Quill: Is Quill free to use?

The Quill website does not indicate whether the VR illustration and animation tool is free, paid, or subscription-based. Pricing details require contacting the company directly.

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
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
Share

Related pages

More on Linearity Curve

More on Quill

Keep looking

Other head to heads