vioscale
Comparison

Penpot vs Proto.io

On the evidence we track, Penpot leads this comparison with a composite score of 65/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Penpot full profile →Proto.io full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
★Penpot65
Proto.io59
Score
Vioscale score
Penpot65 / 100medium · 68%
Proto.io59 / 100medium · 56%
Pricing
Free tier
Penpot✓
Proto.io✓
Model
Penpotcommercial
Proto.iofreemium
Price level
Penpotfree
Proto.iomid
Transparent
Penpot✓
Proto.io✓
Integrations
Count
Penpot5
Proto.io4
Security
Gdpr
Penpot✓
Proto.io✓
Iso27001
Penpot–
Proto.io✓
Scorecard
Penpot5.4
Proto.io–
Vulnerabilities
Reliability
Status page
Penpot✓
Proto.io–
Adoption
Dependent repos
Penpot0
Proto.io–
Github stars
Penpot59,213
Proto.io–
Activity
Commits last 30d
Penpot100
Proto.io–
Release
Cadence days
Penpot9
Proto.io–
History
Penpot20 items
Proto.io–
License
Spdx
PenpotMPL-2.0
Proto.io–
Language
Primary
PenpotClojure
Proto.io–
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for ui/ux & prototyping tools. “-” means undocumented, not absent.

Design
Vector UI design
Penpot✓
Proto.io✓
Component / design-system libraries
Penpot✓
Proto.io✓
Auto layout / responsive
Penpot✓
Proto.io-
Prototyping
Clickable prototyping
Penpot✓
Proto.io✓
Advanced interactions (variables / conditions)
Penpot✓
Proto.io✓
Collaboration
Real-time multiplayer collaboration
Penpot✓
Proto.io-
Handoff
Dev handoff / spec export
Penpot✓
Proto.io✓
Platform
Platform breadth (Web / macOS / Windows / Linux / self-hosted)
PenpotWeb-based; self-hosted on Linux with Docker; cloud-hosted with data residency op
Proto.ioWeb, iOS, Android
Licensing
Self-hostable / open-source
Penpot✓
Proto.io✗
AI
AI design assist
Penpot✓
Proto.io-
Pricing
Pricing model
PenpotOpen-source
Proto.ioFreemium
Ecosystem
Plugin / community ecosystem
PenpotOpen plugin API with community contributions and MCP Server for multi-directiona
Proto.io-

What each one is

The product in its own terms, so the numbers below have context.

Penpot

Leader

A web-based design and prototyping tool built on open web standards (SVG, HTML, CSS) that facilitates real-time collaboration between designers and developers. It supports responsive UI design with CSS-based layouts, design systems with components and tokens, interactive prototyping, and integrates with AI workflows through an extensible plugin ecosystem.

Independently observed

Proto.io

Proto.io is a cloud-based prototyping platform where designers create interactive mockups for web and mobile through a visual editor with pre-built component libraries and templates. It supports sharing for review, animation effects, interaction patterns, and various preview options—all without requiring programming knowledge.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Penpot

Leader
from $25/moOpen sourceFree tier

Free self-hosted (open-source) or $25/user/month for Enterprise with advanced governance

  • Professional (Self-Hosted)Free
    • Complete control over data and infrastructure
    • Unlimited users, teams and files
    • All design and prototyping features
    • Community support
    • 100% open-source
  • Enterprise (Self-Hosted)$25/user/month, minimum $950/month; 25% discount if pre-ordered before July 31st
    • Everything in Professional
    • Centralized admin console
    • Create and manage multiple organizations
    • Advanced team and user permissions
    • Single Sign-On (SSO) & identity governance
    • +6 more
as of verify ↗

Proto.io

from $29/moSubscriptionFree tier15-day trial

From $24/mo (annual billing). Free tier and 15-day trial available.

  • FreeFree
    • Preview in Proto.io App
    • Export to HTML
    • Export to PNG & PDF
    • Import from design tools
    • Branding
    • +1 more
  • Freelancer$24/mo (annual) or $29/mo (monthly)
    • Preview in Player
    • Preview in Proto.io App
    • Share
    • Comments
    • Unlimited reviewers
    • +5 more
  • Startup$40/mo (annual) or $49/mo (monthly). Most popular.
    • Preview in Player
    • Preview in Proto.io App
    • Share
    • Comments
    • Unlimited reviewers
    • +5 more
  • Agency$80/mo (annual) or $99/mo (monthly)
    • Preview in Player
    • Preview in Proto.io App
    • Share
    • Comments
    • Unlimited reviewers
    • +5 more
  • Corporate$160/mo (annual) or $199/mo (monthly)
    • Preview in Player
    • Preview in Proto.io App
    • Share
    • Comments
    • Unlimited reviewers
    • +5 more
  • EnterpriseContact sales
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Penpot✓
Proto.io✓
iOS
Penpot✗
Proto.io✓
Android
Penpot✗
Proto.io✓
Deployment
Cloud / SaaS
Penpot✓
Proto.io✓
Self-hosted
Penpot✓
Proto.io✗
On-premise
Penpot✓
Proto.io✗
Air-gapped
Penpot✓
Proto.io✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Penpot

Leader
5 total
  • Open API
  • MCP Server
  • Webhooks
  • Access tokens
  • Plugins
Independently observed

Proto.io

4 total
  • Sketch
  • Figma
  • Adobe XD
  • Photoshop
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.