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Software · head to head

Linearity Curve vs Quo

Linearity Curve logo

Linearity Curve

Software

Professional vector design for Mac and iPad

From
Free
Rated
-
Full reviewWebsite
Quo logo

Quo

Software

Formerly OpenPhone

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; Quo unlimited calling to US and Canadian numbers is subject to a Fair Usage Policy rather than being truly unlimited

Where they differ

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

Attributes where Linearity Curve and Quo differ
AttributeLinearity CurveQuo
Pricing modelUnknownfreemium
PlatformsMac, IosWeb
Founded2017Unknown

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

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 Quo

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 Quo
  • Logo designnot Quo
  • UI designnot Quo
  • Print designnot Quo

Quo

No use cases recorded yet. See the Quo review.

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

Quo

  • Unlimited calling to US and Canadian numbers is subject to a Fair Usage Policy rather than being truly unlimited
  • Starter tier's $15/user annual rate requires prepaying annually; monthly billing costs $19/user, about 27% more
  • The Sona AI agent automation credits are capped at 1,000 free per plan before additional usage is billed

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

Quo

Free

No published plan breakdown. See the Quo review.

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 Quo if

  • You want to start without paying.
Quo review

Questions people ask

Is Linearity Curve or Quo better?
Neither clearly leads. Linearity Curve starts at Free and Quo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Linearity Curve or Quo?
Linearity Curve starts at Free and Quo at Free.
Does Linearity Curve or Quo run on more platforms?
Linearity Curve runs on Mac, Ios. Quo 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 Quo is typically brought in for.
What can Linearity Curve do that Quo 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
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
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
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Related pages

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