vioscaleAI
Comparison

Proto.io vs Sketch

On the evidence we track, Proto.io leads this comparison with a composite score of 57/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Proto.io full profile →Sketch full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Proto.io57
Sketch46
Score
vioscaleAI score
Proto.io57 / 100medium · 56%
Sketch46 / 100medium · 56%
Pricing
Free tier
Proto.io✓
Sketch✗
Model
Proto.iofreemium
Sketchcommercial
Price level
Proto.iomid
Sketchunknown
Transparent
Proto.io✓
Sketch✗
Integrations
Count
Proto.io4
Sketch2
Security
Certifications
Disclosure policy
Proto.io–
Sketch✓
Gdpr
Proto.io✓
Sketch✓
Iso27001
Proto.io✓
Sketch✓
Pci
Proto.io–
Sketch✓
Soc2
Proto.io–
Sketch✓
Trust center
Reliability
Status page
Proto.io–
Sketch✓
Market
Availability
Content
Faq
Proto.io7 items
Sketch7 items

Capabilities

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

Design
Vector UI design
Proto.io✓
Sketch✓
Component / design-system libraries
Proto.io✓
Sketch✓
Auto layout / responsive
Proto.io-
Sketch✓
Prototyping
Clickable prototyping
Proto.io✓
Sketch✓
Advanced interactions (variables / conditions)
Proto.io✓
Sketch✓
Collaboration
Real-time multiplayer collaboration
Proto.io-
Sketch✓
Handoff
Dev handoff / spec export
Proto.io✓
Sketch✓
Platform
Platform breadth (Web / macOS / Windows / Linux / self-hosted)
Proto.ioWeb, iOS, Android
SketchWeb, macOS, iOS
Licensing
Self-hostable / open-source
Proto.io✗
Sketch✓
AI
AI design assist
Proto.io-
Sketch✗
Pricing
Pricing model
Proto.ioFreemium
SketchSubscription
Ecosystem
Plugin / community ecosystem
Proto.io-
SketchThird-party plugins and integrations available

What each one is

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

Proto.io

Leader

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

Sketch

A design platform for creating user interfaces with support for design variables, design systems, interactive prototypes, and team collaboration.

Independently observed

Pricing

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

Proto.io

Leader
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 ↗

Sketch

Subscription

Subscription-based starting at a per-editor monthly rate (billed yearly preferred). Free Viewer tier. Free for students, teachers, and qualifying non-profits. Mac-only license available as one-time purchase. Private Cloud option available.

  • Subscription (Editor)-
    • Web app on any browser
    • Native Mac app (offline or real-time)
    • iOS viewer app
    • Real-time collaboration
    • Design and prototype tools
    • +2 more
  • Mac-only License-
    • Native Mac app
    • Offline design
    • No collaboration features
  • Viewer (Free)Free
    • Browse designs in web browser
    • Comment and feedback
    • Inspect files and download assets
    • Test prototypes
    • Access developer handoff tools
  • Education (Free)Free
    • Full Sketch platform
    • One Editor seat (students/teachers)
    • Multiple seats (institutions)
  • Non-Profit DiscountContact sales
  • Private CloudContact sales
    • Private cloud environment
as of verify ↗

Platform & deployment

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

Platforms
Web
Proto.io✓
Sketch✓
iOS
Proto.io✓
Sketch✓
Android
Proto.io✓
Sketch✗
macOS
Proto.io✗
Sketch✓
Deployment
Cloud / SaaS
Proto.io✓
Sketch✓
Self-hosted
Proto.io✗
Sketch✓
Hybrid
Proto.io✗
Sketch✓

Integrations

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

Proto.io

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

Sketch

6 total
  • Unsplash
  • Okta
  • Ping Identity
  • TrustLogin
  • Slack
  • Storybook
Independently observed
Still deciding?

Proto.io or Sketch: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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