vioscale
Comparison

Proto.io vs Zeplin

On the evidence we track, Zeplin leads this comparison with a composite score of 74/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Proto.io full profile →Zeplin full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Proto.io59
★Zeplin74
Score
Vioscale score
Proto.io59 / 100medium · 56%
Zeplin74 / 100low · 39%
Pricing
Free tier
Proto.io✓
Zeplin✓
Model
Proto.iofreemium
Zeplinfreemium
Price level
Proto.iomid
Zeplinlow
Transparent
Proto.io✓
Zeplin✓
Integrations
Count
Proto.io4
Zeplin9
Security
Gdpr
Proto.io✓
Zeplin✓
Iso27001
Proto.io✓
Zeplin–
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✓
Zeplin-
Component / design-system libraries
Proto.io✓
Zeplin✓
Auto layout / responsive
Proto.io-
Zeplin-
Prototyping
Clickable prototyping
Proto.io✓
Zeplin-
Advanced interactions (variables / conditions)
Proto.io✓
Zeplin-
Collaboration
Real-time multiplayer collaboration
Proto.io-
Zeplin✓
Handoff
Dev handoff / spec export
Proto.io✓
Zeplin✓
Platform
Platform breadth (Web / macOS / Windows / Linux / self-hosted)
Proto.ioWeb, iOS, Android
ZeplinWeb application, VS Code extension, integrations with Jira, Azure DevOps, Slack,
Licensing
Self-hostable / open-source
Proto.io✗
Zeplin✗
AI
AI design assist
Proto.io-
Zeplin✓
Pricing
Pricing model
Proto.ioFreemium
ZeplinFreemium
Ecosystem
Plugin / community ecosystem
Proto.io-
ZeplinOfficial integrations with design tools (Figma) and dev tools (Jira, Azure DevOp

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

Zeplin

Leader

A design delivery and handoff platform that sits between design tools and development. It provides versioning, documentation, feedback, and integrations to help designers and developers collaborate with confidence on production-ready specifications.

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 ↗

Zeplin

Leader
from $12/moSubscriptionFree tier

Free plan available. Paid plans from $12/seat/month (team) or $13.75/month (per-project). Annual billing includes 1-2 months free.

  • FreeFree
    • Unlimited members per project
    • Annotations, Flows, and Approvals
    • Screen versioning with version compare
    • Screen variants
    • Jira, Azure DevOps, VS Code extension, Storybook, Slack, Teams integrations
    • +7 more
  • BasicFrom $13.75/month per project, annual billing
    • Unlimited members per project
    • All members can edit projects
    • Practically unlimited screens (1,000 per project)
    • AI Design Review Beta (20 screens/week)
    • AI Organize Beta (10 runs/week)
    • +6 more
  • Advanced$12 per seat/month, billed annually (2 months free)
    • 50 projects
    • Unlimited screens per project
    • Flow Boards
    • Unlimited styleguides
    • Unlimited components
    • +14 more
  • EnterpriseContact sales
    • Everything in Advanced
    • Unlimited projects
    • AI Design Review Beta (20 screens × seats/week)
    • AI Organize Beta (20 runs × seats/week)
    • SAML-based Single Sign-on (SSO)
    • +8 more
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✓
Zeplin✓
iOS
Proto.io✓
Zeplin✗
Android
Proto.io✓
Zeplin✗
Deployment
Cloud / SaaS
Proto.io✓
Zeplin✓

Integrations

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

In common (1)
  • Figma

Proto.io

4 total - 3 not shared
  • Sketch
  • Adobe XD
  • Photoshop
Independently observed

Zeplin

Leader
9 total - 8 not shared
  • Jira
  • Azure DevOps
  • VS Code
  • Storybook
  • Slack
  • Teams
  • Zeplin API
  • Webhooks
Independently observed

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