Softwr

Design · head to head

Principle vs Yarn

P

Principle

Design

Animate your ideas, design better apps

From
$129/one-time
Free plan
No
Visit PrincipleFull review
Yarn logo

Yarn

Developer Tools

Fast, reliable, and secure dependency management

From
Free
Free plan
Yes
Visit YarnFull review

The short version

  • Yarn is a package manager.
  • Yarn is free; Principle starts at $129 one-off.
  • Where Principle falls short: macOS only with no Windows or Linux editor available.
  • Where Yarn falls short: Yarn 2+ (Berry) has limited ESM support which can be a constraint for some projects.
  • Prices and features on this page were last checked on 30 August 2026.

Where they differ

Only the attributes on which Principle and Yarn actually diverge.

Attributes where Principle and Yarn differ
AttributePrincipleYarn
Starting price$129/one-timeFree
Free tierNoYes
PlatformsmacOSWeb, Linux, macOS, Windows
CategoryDesignDeveloper Tools
Founded20152016

Not yet recorded: pricing model for Principle.

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 Principle

  • Timeline-based animation
  • Interactive prototypes
  • Touch gestures
  • Component reuse
  • Video export
  • Sketch import
  • Figma import
  • Driver animations

Only in Yarn

Nothing recorded that Principle does not also cover.

What people use each for

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

Principle

  • Mobile app prototypesnot Yarn
  • Micro-interactionsnot Yarn
  • Animation designnot Yarn
  • User flow designnot Yarn
  • Gesture-based interfacesnot Yarn

Yarn

  • Monorepo teams managing dependencies across 50+ interdependent packagesnot Principle
  • Enterprise JavaScript projects ensuring reproducible builds across CI/CDnot Principle
  • Open-source projects with plugin ecosystems coordinating versionsnot Principle
  • Teams requiring consistent package installs regardless of network conditionsnot Principle

Where each one falls short

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

Principle

  • macOS only with no Windows or Linux editor available
  • No vector morphing capability for complex shape transformations
  • Limited asset creation tools; cannot create vectors or shapes directly within Principle
  • Sketch import flattens certain properties including paths, fills, borders, masks, blur effects, and text layers
  • Limited variable support, logical loops, and data input capabilities compared to tools like ProtoPie or Origami

Yarn

  • Yarn 2+ (Berry) has limited ESM support which can be a constraint for some projects
  • Smaller ecosystem and community compared to npm, though still substantial

Pricing, plan by plan

Principle

$129/one-time
  • License$129 one-off
    • One year of upgrades
    • Full access to all features
  • Upgrade License$99/yr
    • Annual renewal for ongoing upgrades

Yarn

Free

No published plan breakdown. See the Yarn review.

Which should you pick?

Choose Principle if

  • You need timeline-based animation.
  • You work on macOS.
  • You also want interactive prototypes.
Principle review

Choose Yarn if

  • You want to start without paying.
  • You work on Web, Linux, macOS, Windows.
Yarn review

Questions people ask

Is Principle or Yarn better?
Neither clearly leads. Principle starts at $129/one-time and Yarn at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Principle or Yarn?
Yarn has a free tier; the other does not. Paid plans start at $129/one-time for Principle and Free for Yarn.
Does Principle or Yarn run on more platforms?
Principle runs on macOS. Yarn runs on Web, Linux, macOS, Windows.
Can I use Yarn for free?
Yes. Yarn has a free tier, so you can try it without paying. Principle starts at $129/one-time.
What is Principle best used for?
Principle is most often used for mobile app prototypes, micro-interactions, animation design, user flow design. Of those, mobile app prototypes and micro-interactions are not what Yarn is typically brought in for.
What can Principle do that Yarn cannot?
Principle covers Timeline-based animation, Interactive prototypes, Touch gestures, Component reuse.

Answered from the vendors’ own pages

Principle: Does Principle run on Windows or Linux?

No. Principle is macOS only and runs on Intel and Apple Silicon Macs. There is no Windows or Linux editor available; however, prototypes can be shared and viewed on any platform via web link.

Source
Yarn: What is Yarn's main advantage over npm?

Yarn downloads packages in parallel, significantly reducing installation time. It uses a yarn.lock file for deterministic installs, ensuring identical package versions across machines and preventing version conflicts common with npm.

Source
Principle: What is the cost of Principle?

Principle costs $129 for a one-time purchase with 1 year of upgrades included. After 1 year, upgrade licenses cost $99/year. A 14-day free trial is available with all features included.

Source
Yarn: Can I use Yarn in offline environments?

Yes, Yarn supports secure offline environments. The yarn.lock file enables reproducible installs without requiring new downloads.

Source
Principle: Can I import designs from Figma or Sketch into Principle?

Yes. Principle supports importing designs from Figma and Sketch with intelligent merging of re-imported files. Some Sketch properties such as paths, fills, borders, blur effects, masks, and text layers are flattened upon import.

Source
Principle: How do I share Principle prototypes with others?

Prototypes can be shared via web link with one click (File > Export > Share to Web). Recipients can view and interact with prototypes in any browser on any platform: Windows, macOS, Linux, Android, or iOS. No installation required.

Source
Principle: Can I create vector shapes and morphing animations in Principle?

Principle does not support vector morphing, where vector objects transform into other vector shapes. It also has limited asset creation capabilities and editing is restricted to basic operations like scale and rotate.

Source
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