Softwr

Developer Tools · head to head

Hookdeck vs Principle

Hookdeck logo

Hookdeck

Developer Tools

Event gateway that receives, queues, retries and replays inbound webhooks

From
Free
Free plan
Yes
Visit HookdeckFull review
P

Principle

Design

Animate your ideas, design better apps

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

The short version

  • Hookdeck has a free plan, then $39/mo; Principle starts at $129 one-off.
  • Only Hookdeck lists ingest and persist; only Principle lists timeline-based animation.
  • Where Hookdeck falls short: pricing meters delivered events, so fan-out multiplies the bill: one inbound event routed to four services counts as four deliveries.
  • Where Principle falls short: macOS only with no Windows or Linux editor available.
  • Prices and features on this page were last checked on 31 August 2026.

Where they differ

Only the attributes on which Hookdeck and Principle actually diverge.

Attributes where Hookdeck and Principle differ
AttributeHookdeckPrinciple
Starting priceFree$129/one-time
Free tierYesNo
PlatformsWeb, Linux, macOS, WindowsmacOS
CategoryDeveloper ToolsDesign

Not yet recorded: pricing model for Principle, founded for Hookdeck.

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 Hookdeck

  • Ingest and persist
  • Automatic retries
  • Filters and fan-out
  • Transformations
  • Local development CLI
  • Rate limiting

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.

Hookdeck

  • A payments integration where losing a Stripe event during a deploy causes an order to go unfulfillednot Principle
  • Fanning one provider webhook out to several internal services without each subscribing separatelynot Principle
  • Debugging a partner integration by replaying the exact failing payload after shipping a fixnot Principle
  • Receiving production-shaped webhooks on a developer laptop without running a public tunnelnot Principle

Principle

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

Where each one falls short

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

Hookdeck

  • Pricing meters delivered events, so fan-out multiplies the bill: one inbound event routed to four services counts as four deliveries
  • Free-tier retention is three days, which is shorter than the time it typically takes to notice a failing integration, so the payloads needed for a replay are often already gone
  • It becomes a single point of failure in front of every third-party integration, and an outage there means every provider webhook queues or fails at once
  • The transformation layer runs JavaScript in a constrained environment, so anything that needs a database lookup or an external call has to happen downstream instead
  • For a team already running Kafka or SQS the value is mostly the console and the replay UI, which is a hard cost to justify against infrastructure they already operate

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

Hookdeck

Free
  • DeveloperFree
    • Up to ten thousand events per month
    • Three-day retention
    • One user
  • Team$39/mo
    • Ten thousand events included
    • Unlimited users
    • Pay as you go metering above the included events
  • Growth$499/mo
    • Ten thousand events included plus metered usage
    • Thirty-day retention
    • Uptime and latency SLAs
  • EnterpriseOn request
    • Negotiated event volume
    • Custom retention
    • Dedicated support

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

Which should you pick?

Choose Hookdeck if

  • You need ingest and persist.
  • You want to start without paying.
  • You work on Web, Linux, macOS, Windows.
  • You also want automatic retries.
Hookdeck review

Choose Principle if

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

Questions people ask

Is Hookdeck or Principle better?
Neither clearly leads. Hookdeck 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, Hookdeck or Principle?
Hookdeck has a free tier; the other does not. Paid plans start at Free for Hookdeck and $129/one-time for Principle.
Does Hookdeck or Principle run on more platforms?
Hookdeck runs on Web, Linux, macOS, Windows. Principle runs on macOS.
Can I use Hookdeck for free?
Yes. Hookdeck has a free tier, so you can try it without paying. Principle starts at $129/one-time.
What is Hookdeck best used for?
Hookdeck is most often used for a payments integration where losing a stripe event during a deploy causes an order to go unfulfilled, fanning one provider webhook out to several internal services without each subscribing separately, debugging a partner integration by replaying the exact failing payload after shipping a fix, receiving production-shaped webhooks on a developer laptop without running a public tunnel. Of those, a payments integration where losing a stripe event during a deploy causes an order to go unfulfilled and fanning one provider webhook out to several internal services without each subscribing separately are not what Principle is typically brought in for.
What can Hookdeck do that Principle cannot?
Hookdeck covers Ingest and persist, Automatic retries, Filters and fan-out, Transformations. Principle covers Timeline-based animation, Interactive prototypes, Touch gestures, Component reuse.

Answered from the vendors’ own pages

Hookdeck: Is there a free plan?

Yes, ten thousand events a month with three-day retention and one user.

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
Hookdeck: How is usage counted?

By delivered events, so a single inbound webhook fanned out to three destinations counts as three.

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
Hookdeck: Can I replay a failed webhook?

Yes, individually or in bulk from the console, with the original payload.

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
Hookdeck: Does it work for outbound webhooks too?

Yes, the same queueing, retry and observability applies to webhooks you send.

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
Share

Related pages

More on Hookdeck

More on Principle

Keep looking

Other head to heads