Softwr

Software · head to head

Checkout.com vs Principle

C

Checkout.com

Software

Your business deserves tailored pricing based on your needs

From
On request
Rated
-
Full reviewWebsite
P

Principle

Software

Animate your ideas, design better apps

From
$129/one-time
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Checkout.com checkout.com/pricing publishes no per-transaction percentage or fixed fee; pricing is set per business profile and risk category through direct sales contact, per the vendor's own pricing page (Aug 2026); Principle macOS only with no Windows or Linux editor available

Where they differ

Only the attributes on which Checkout.com and Principle actually diverge.

Attributes where Checkout.com and Principle differ
AttributeCheckout.comPrinciple
Starting priceOn request$129/one-time
Pricing modelquoteUnknown
PlatformsWebmacOS
FoundedUnknown2015

Identical on both: free tier (No), 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 Checkout.com

Nothing recorded that Principle does not also cover.

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.

Checkout.com

No use cases recorded yet. See the Checkout.com review.

Principle

  • Mobile app prototypesnot Checkout.com
  • Micro-interactionsnot Checkout.com
  • Animation designnot Checkout.com
  • User flow designnot Checkout.com
  • Gesture-based interfacesnot Checkout.com

Where each one falls short

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

Checkout.com

  • checkout.com/pricing publishes no per-transaction percentage or fixed fee; pricing is set per business profile and risk category through direct sales contact, per the vendor's own pricing page (Aug 2026)
  • Choosing between the flat-rate and Interchange++ pricing models requires contacting the sales team, since neither model's rate is quoted publicly on the page

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

Checkout.com

On request

No published plan breakdown. See the Checkout.com review.

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 Checkout.com if

Nothing in the data separates Checkout.com from Principle on the points above - pick on price and on how each one feels to use.

Checkout.com review

Choose Principle if

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

Questions people ask

Is Checkout.com or Principle better?
Neither clearly leads. Checkout.com starts at On request and Principle at $129/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Checkout.com or Principle?
Checkout.com starts at On request and Principle at $129/one-time.
Does Checkout.com or Principle run on more platforms?
Checkout.com runs on Web. Principle runs on macOS.
What can Checkout.com do that Principle 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
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
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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