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Software · head to head

Contentful vs Principle

Contentful logo

Contentful

Software

The content platform for the digital-first era

From
Free
Rated
-
Full reviewWebsite
P

Principle

Software

Animate your ideas, design better apps

From
$129/one-time
Rated
-
Full reviewWebsite

The short version

  • Only Contentful has a free tier, so it costs nothing to try first.
  • Each has a real cost: Contentful pricing model with content type limits (48) forces full tier upgrades; Principle macOS only with no Windows or Linux editor available
  • They diverge on capability: Contentful covers Content modeling, Principle covers Timeline-based animation.

Where they differ

Only the attributes on which Contentful and Principle actually diverge.

Attributes where Contentful and Principle differ
AttributeContentfulPrinciple
Starting priceFree$129/one-time
Free tierYesNo
PlatformsWeb, APImacOS
Founded20132015

Identical on both: pricing model (Unknown), 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 Contentful

  • Content modeling
  • RESTful APIs
  • GraphQL API
  • Webhooks
  • Rich text editor
  • Asset management
  • Multi-language support
  • Version control

Only in Principle

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

What people use each for

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

Contentful

  • Website content managementnot Principle
  • Mobile app contentnot Principle
  • E-commerce catalogsnot Principle
  • Multi-channel publishingnot Principle
  • Digital experiencesnot Principle

Principle

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

Where each one falls short

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

Contentful

  • Pricing model with content type limits (48) forces full tier upgrades
  • Limited GraphQL mutations for content management complexity
  • Requires significant technical expertise and developer dependency
  • Uncertainty following Salesforce acquisition announcement in June 2026

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

Pricing, plan by plan

Contentful

Free
  • FreeFree
    • 10 users
    • 100K API calls per month
    • 1 Space
  • Team$489/month
    • Higher usage limits
    • Additional collaboration features
    • Professional support

Principle

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

Which should you pick?

Choose Contentful if

  • You need content modeling.
  • You want to start without paying.
  • You work on Web, API.
  • You also want restful apis.
Contentful review

Choose Principle if

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

Questions people ask

Is Contentful or Principle better?
Neither clearly leads. Contentful starts at Free and Principle at $129/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Contentful or Principle?
Contentful has a free tier; the other does not. Paid plans start at Free for Contentful and $129/one-time for Principle.
Does Contentful or Principle run on more platforms?
Contentful runs on Web, API. Principle runs on macOS.
Can I use Contentful for free?
Yes. Contentful has a free tier, so you can try it without paying. Principle starts at $129/one-time.
What is Contentful best used for?
Contentful is most often used for website content management, mobile app content, e-commerce catalogs, multi-channel publishing. Of those, website content management and mobile app content are not what Principle is typically brought in for.
What can Contentful do that Principle cannot?
Contentful covers Content modeling, RESTful APIs, GraphQL API, Webhooks. Principle covers Timeline-based animation, Interactive prototypes, Touch gestures, Component reuse.

Answered from the vendors’ own pages

Contentful: Does Contentful offer a free tier?

Yes, Contentful has a Free tier with 10 users, 100K API calls per month, and support for 1 Space. This is suitable for small projects and proof-of-concept work.

Source
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
Contentful: What is the difference between Contentful and traditional CMS platforms?

Contentful is a headless CMS that decouples content from presentation, allowing you to deliver the same content across websites, mobile apps, IoT devices, and voice assistants without duplication.

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
Contentful: How does Contentful handle multi-locale content?

Contentful supports multi-locale content, though multi-locale costs must be negotiated upfront depending on your pricing tier and requirements.

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
Contentful: Does Contentful integrate with e-commerce platforms?

Yes, Contentful partners with Commerce Layer, an API-first commerce platform, to enable enterprise-grade e-commerce experiences alongside headless CMS capabilities.

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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