vioscale
Comparison

Proto.io vs Sketch

On the evidence we track, Sketch leads this comparison with a composite score of 68/100. 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 formatsJSONMarkdownGraphQLor send Accept: application/json
Proto.io59
★Sketch68
Score
Vioscale score
Proto.io59 / 100medium · 56%
Sketch68 / 100medium · 73%
Pricing
Free tier
Proto.io✓
Sketch✗
Model
Proto.iofreemium
Sketchcommercial
Price level
Proto.iomid
Sketchlow
Transparent
Proto.io✓
Sketch✓
Integrations
Count
Proto.io4
Sketch4
Security
Disclosure policy
Proto.io–
Sketch✓
Gdpr
Proto.io✓
Sketch✓
Iso27001
Proto.io✓
Sketch✓
Pci
Proto.io–
Sketch✓
Soc2
Proto.io–
Sketch✓
Reliability
Status page
Proto.io–
Sketch✓
Market
Availability

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-
Sketch-

What each one is

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

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

Sketch

Leader

A design toolkit built for designers, with real-time team collaboration, unlimited free viewers, offline support via native Mac app, and developer handoff tools. Runs on web, macOS, and iOS.

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

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

Leader
from $12/moHybrid30-day trial

From $12/editor/month (billed annually). $120 perpetual Mac-only license. Free 30-day trial. Unlimited free viewers included in all plans.

  • Standard$12/editor/month, billed annually
    • Real-time collaboration
    • Unlimited documents
    • Unlimited free viewers
    • Document version history
    • Free developer handoff
  • Professional$24/editor/month, billed annually
    • Everything in Standard
    • Single Sign-On (SSO)
    • Project archiving
    • Permissions groups
  • Enterprise$44/editor/month, billed annually. Available for 15+ editors.
    • Everything in Professional
    • SCIM provisioning
    • BYOK encryption
    • Dedicated support
    • Custom reviews and terms
    • +2 more
  • Private CloudContact sales
    • Everything in Professional
    • Private cloud environment
    • Choice of hosting locations (US/EU)
    • Unlimited Workspaces
    • Unlimited storage
    • +2 more
  • Mac-only license$120/seat, perpetual. No collaboration or online sharing.
    • Native Mac app
    • Design, prototype, and illustrate
    • Work privately, offline
    • Save documents locally
    • One year of updates included
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✓
Hybrid
Proto.io✗
Sketch✓

Integrations

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

Proto.io

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

Sketch

Leader
4 total
  • Unsplash
  • Okta
  • Ping Identity
  • TrustLogin
Independently observed

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