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Penpot vs Principle: Which Prototyping Is Better in 2026?

Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.

Leads 2/9
Rating
,
Reviews
0
From
$0/mo

in Prototyping

Rating
,
Reviews
0
From
Custom

in Prototyping

The Short Answer

Penpot vs Principle, in 15 seconds

Choose Penpot if…

  • You want the lower entry price
  • You need a genuinely free plan
  • You need the broader feature set

Choose Principle if…

  • You want to trial before paying
  • You have strict security & compliance needs

Head-to-Head Scorecard

How Penpot and Principle score

Penpot leads on 2 of 9 measured dimensions.

  • Customer Rating

    Average score from verified user reviews

    Even
    Penpot
    No reviews
    Principle
    No reviews
  • Review Volume

    Number of verified reviews, a proxy for adoption

    Even
    Penpot
    0
    Principle
    0
  • Entry Pricing

    Lowest published starting price (free plan = lowest)

    Penpot
    Penpot
    $0/mo
    Principle
    Custom
  • Free Access

    Availability of a free plan and/or free trial

    Even
    Penpot
    Free plan
    Principle
    Free trial
  • Integrations

    Number of listed third-party integrations

    Even
    Penpot
    6
    Principle
    6
  • Features

    Number of listed product capabilities

    Penpot
    Penpot
    6
    Principle
    0
  • AI Features

    Capabilities mentioning AI, automation or ML

    Even
    Penpot
    ,
    Principle
    ,
  • Security & Compliance

    Number of listed compliance certifications

    Principle
    Penpot
    1
    Principle
    2
  • Platforms & Deployment

    Supported platforms and deployment options

    Even
    Penpot
    4
    Principle
    4

Feature Comparison

Penpot vs Principle feature breakdown

Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.

Penpot
Principle
Overview
User rating
,
,
Pricing model
FREE
Quote-based
Starting price
$0/mo
Custom
Free version
Free trial
Features
Key capabilities
Interface designPrototypingDesign systemsReal-time collaborationOpen standards (SVG)Self-hosting
,
AI features
,
,
Integrations & API
Integrations
GitHubGitLabJiraSlackStorybookSVG export
FigmaSketchAdobe XDXcodeNotionSlack
Public API
Platforms
Deployment
CloudOn-Premise
CloudSaaS
Platforms
WebLinux
WebAPI
Mobile support
Security & Compliance
Compliance
GDPR
GDPRSOC 2
Vendor
Company
,
,
Verified
Founded
2020
,
Headquarters
Madrid, Spain
,

Pricing Comparison

Penpot vs Principle pricing

Entry pricing, plan tiers and the cost factors that shape total cost of ownership.

Penpot

$0/mo to start
PenpotFree
  • Unlimited projects & users
  • Design & prototyping
  • Real-time collaboration
  • Self-host or cloud
Enterprise Self-HostedCustom
  • On-premise deployment
  • Priority support
  • SSO options
  • Advanced administration

Principle

Custom to start
ProfessionalCustom
  • interactions
  • Standard support
  • animation timeline
  • Integrations
EnterpriseCustom
  • Dedicated support and onboarding
  • Sketch import
  • Advanced security and controls
  • mirror app

Total cost of ownership factors

Free planPenpot Principle
Free trial to evaluatePenpot Principle
Transparent published pricingPenpot Principle
Public API (build vs. buy add-ons)Penpot Principle

Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.

Pros & Cons

Penpot vs Principle: strengths and trade-offs

Penpot

Pros

  • Free plan available
  • Compliance: GDPR

Cons

    Principle

    Pros

    • Free trial offered
    • Compliance: GDPR, SOC 2
    • Public API available

    Cons

    • No free plan
    • Pricing is quote-based (less transparent)

    Buyer Fit

    Who should use Penpot vs Principle?

    Startups

    Penpot

    Penpot keeps early-stage costs lowest with its entry tier.

    Small businesses

    Penpot

    Penpot offers the most accessible pricing for lean teams.

    Agencies

    Penpot

    Penpot connects to more tools for multi-client workflows.

    Enterprises

    Principle

    Principle leads on compliance and breadth for complex needs.

    Ecommerce

    Either

    Either integrates with more of the commerce stack.

    SaaS companies

    Principle

    Principle is the more developer- and automation-friendly choice.

    Integration overlap

    Shared integrations (1)

    Slack

    Only in Penpot (5)

    GitHubGitLabJiraStorybookSVG export

    Only in Principle (5)

    FigmaSketchAdobe XDXcodeNotion

    Keep Exploring

    Other alternatives worth considering

    Similar prototyping products buyers compare alongside Penpot and Principle.

    Ask SIA which solution fits your business

    SIA, Saaskart's AI buying assistant, weighs Penpot and Principle against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.

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    Penpot vs Principle, Frequently Asked Questions

    What is the difference between Penpot and Principle?

    Penpot and Principle are both Prototyping solutions. Penpot is rated 0.0/5 by 0 users, while Principle is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.

    Which is better, Penpot or Principle?

    Based on user ratings, Penpot scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.

    Which is cheaper, Penpot or Principle?

    Penpot is the more affordable option, starting at $0/month.

    Does Penpot or Principle have a free plan?

    Penpot offers a free plan. Principle does not have a free tier but does offer a free trial.

    Can I switch from Penpot to Principle?

    Switching between Penpot and Principle is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.

    Who should use Penpot vs Principle?

    Penpot is best suited for teams that prioritise zero-cost tools. Principle works well for teams needing advanced capabilities.

    Our Verdict

    The bottom line on Penpot vs Principle

    Best Overall

    Either

    It's a tie balances user satisfaction and proven adoption.

    Best for Startups

    Penpot

    Penpot has the friendliest entry point for new teams.

    Best for Enterprise

    Principle

    Principle leads on compliance and feature breadth.

    Best Value

    Penpot

    Penpot delivers the lowest cost to get started.

    Best AI Features

    Either

    Comparable AI capabilities on both sides.

    Highest Rated

    Either

    Both earn equal user ratings.

    Ready to decide between Penpot and Principle?

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