# Proto.io vs Zeplin

**Leader by Vioscale score:** Zeplin

| Attribute | Proto.io | Zeplin |
|---|---|---|
| **Vioscale score** | 58.7 (56% (medium)) | 74.3 (39% (low)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | 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. | 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. |
| features.capabilities | `{"dev_handoff":true,"pricing_model":"freemium","self_hostable":false,"vector_design":true,"platform_breadth":"Web, iOS, Android","component_libraries":true,"advanced_interactions":true,"clickable_prototyping":true}` | `{"ai_design":true,"dev_handoff":true,"pricing_model":"freemium","self_hostable":false,"platform_breadth":"Web application, VS Code extension, integrations with Jira, Azure DevOps, Slack,","plugin_ecosystem":"Official integrations with design tools (Figma) and dev tools (Jira, Azure DevOp","component_libraries":true,"realtime_collaboration":true}` |
| integrations.count | 4 | 9 |
| integrations.list | `[{"name":"Sketch"},{"name":"Figma"},{"name":"Adobe XD"},{"name":"Photoshop"}]` | `[{"name":"Jira"},{"name":"Azure DevOps"},{"name":"VS Code"},{"name":"Storybook"},{"name":"Slack"},{"name":"Teams"},{"name":"Figma"},{"name":"Zeplin API"},{"name":"Webhooks"}]` |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"ios":true,"web":true,"android":true}` | `{"web":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free with limited features","features":["Preview in Proto.io App","Export to HTML","Export to PNG & PDF","Import from design tools","Branding","Single-click sharing"],"minSeats":1,"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"1 user, 1 active project, limited features","contactSales":false,"includedLimits":{"storage_mb":"10","active_projects":"1","prototype_screens":"5"}},{"free":false,"name":"Freelancer","summary":"$24/mo (annual) or $29/mo (monthly)","features":["Preview in Player","Preview in Proto.io App","Share","Comments","Unlimited reviewers","Export to HTML/PNG/PDF","Branding","Import from design tools","256-bit SSL encryption","Real-time chat support"],"minSeats":1,"components":[{"kind":"fixed","amount":288,"period":"year","currency":"USD"},{"kind":"fixed","amount":29,"period":"month","currency":"USD"}],"description":"1 user, 5 active projects","contactSales":false,"includedLimits":{"active_projects":"5"}},{"free":false,"name":"Startup","summary":"$40/mo (annual) or $49/mo (monthly). Most popular.","features":["Preview in Player","Preview in Proto.io App","Share","Comments","Unlimited reviewers","Export to HTML/PNG/PDF","Branding","Import from design tools","256-bit SSL encryption","Real-time chat support"],"minSeats":2,"components":[{"kind":"fixed","amount":480,"period":"year","currency":"USD"},{"kind":"fixed","amount":49,"period":"month","currency":"USD"}],"description":"2 users, 10 active projects","contactSales":false,"includedLimits":{"active_projects":"10"}},{"free":false,"name":"Agency","summary":"$80/mo (annual) or $99/mo (monthly)","features":["Preview in Player","Preview in Proto.io App","Share","Comments","Unlimited reviewers","Export to HTML/PNG/PDF","Branding","Import from design tools","256-bit SSL encryption","Real-time chat support"],"minSeats":5,"components":[{"kind":"fixed","amount":960,"period":"year","currency":"USD"},{"kind":"fixed","amount":99,"period":"month","currency":"USD"}],"description":"5 users, 15 active projects","contactSales":false,"includedLimits":{"active_projects":"15"}},{"free":false,"name":"Corporate","summary":"$160/mo (annual) or $199/mo (monthly)","features":["Preview in Player","Preview in Proto.io App","Share","Comments","Unlimited reviewers","Export to HTML/PNG/PDF","Branding","Import from design tools","256-bit SSL encryption","Real-time chat support"],"minSeats":10,"components":[{"kind":"fixed","amount":1920,"period":"year","currency":"USD"},{"kind":"fixed","amount":199,"period":"month","currency":"USD"}],"description":"10 users, 30 active projects","contactSales":false,"includedLimits":{"active_projects":"30"}},{"free":false,"name":"Enterprise","summary":"Contact for custom pricing","description":"Custom users and projects, unlimited active projects, SSO, enterprise-grade security","contactSales":true}],"summary":"From $24/mo (annual billing). Free tier and 15-day trial available.","currency":"USD","freeTier":true,"sourceUrl":"https://proto.io/en/pricing/","retrievedAt":"2026-08-14T10:23:53.546Z","freeTrialDays":15,"startingPrice":{"amount":29,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free","features":["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","Zeplin API and Webhooks","Component versioning with version compare","Component variants","AI Design Review Beta (3 screens/week)","AI Organize Beta (3 runs/week)","Chat & email support","Training sessions"],"components":[{"kind":"fixed","amount":0,"currency":"USD"}],"contactSales":false,"includedLimits":{"screens":"100","projects":"1","components":"100","styleguides":"1","version_history_days":"30"}},{"free":false,"name":"Basic","summary":"From $13.75/month per project, annual billing","features":["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)","All integrations","Annotations, Flows, and Approvals","Screen versioning, Screen variants","Component versioning, Component variants","Chat & email support","Training sessions"],"commitment":"annual","components":[{"kind":"fixed","amount":13.75,"period":"month","currency":"USD","description":"1 project, annual billing (1 month free)"},{"kind":"fixed","amount":35.75,"period":"month","currency":"USD","description":"3 projects, annual billing"},{"kind":"fixed","amount":63.25,"period":"month","currency":"USD","description":"6 projects, annual billing"},{"kind":"fixed","amount":90.75,"period":"month","currency":"USD","description":"9 projects, annual billing"},{"kind":"fixed","amount":118.25,"period":"month","currency":"USD","description":"12 projects, annual billing"}],"description":"One flat fee per project, unlimited members","contactSales":false,"includedLimits":{"projects":"1-12 (choice at purchase)","components":"unlimited","styleguides":"1","screens_per_project":"1,000","version_history_years":"1"}},{"free":false,"name":"Advanced","summary":"$12 per seat/month, billed annually (2 months free)","features":["50 projects","Unlimited screens per project","Flow Boards","Unlimited styleguides","Unlimited components","Permanent version history","Team workspace with centralized management","User Dashboard","Advanced user permissions (Admin, Editor, Developer, Reviewer)","Unlimited reviewers","Role-based access control","AI Design Review Beta (10 screens × seats/week)","AI Organize Beta (10 runs × seats/week)","All integrations including on-prem Jira","Annotations, Flows, and Approvals","Screen versioning, Screen variants","Component versioning, Component variants","Chat & email support","Training sessions"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":12,"period":"month","currency":"USD"}],"description":"Per-seat pricing for teams","contactSales":false,"includedLimits":{"screens":"unlimited","projects":"50","components":"unlimited","styleguides":"unlimited","version_history":"forever"}},{"free":false,"name":"Enterprise","summary":"Custom pricing. Contact sales.","features":["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)","Multi-Factor Authentication (MFA)","SCIM user provisioning","Domain capture","Activity logs","Invoiced billing (bank transfer)","Custom terms (MSA)","Success Manager","Priority support (24-hour SLA)"],"description":"Unlimited projects with advanced security and support","contactSales":true,"includedLimits":{"screens":"unlimited","projects":"unlimited"}}],"summary":"Free plan available. Paid plans from $12/seat/month (team) or $13.75/month (per-project). Annual billing includes 1-2 months free.","currency":"USD","freeTier":true,"sourceUrl":"https://zeplin.io/pricing/","retrievedAt":"2026-08-14T10:27:08.715Z","startingPrice":{"amount":12,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | mid | low |
| pricing.transparent | yes | yes |
| security.gdpr | yes | yes |
| security.iso27001 | yes | - |

## Capabilities (UI/UX & Prototyping Tools)

| Capability | Proto.io | Zeplin |
|---|:--:|:--:|
| **Design** |  |  |
| Vector UI design | ✓ | - |
| Component / design-system libraries | ✓ | ✓ |
| Auto layout / responsive | - | - |
| **Prototyping** |  |  |
| Clickable prototyping | ✓ | - |
| Advanced interactions (variables / conditions) | ✓ | - |
| **Collaboration** |  |  |
| Real-time multiplayer collaboration | - | ✓ |
| **Handoff** |  |  |
| Dev handoff / spec export | ✓ | ✓ |
| **Platform** |  |  |
| Platform breadth (Web / macOS / Windows / Linux / self-hosted) | Web, iOS, Android | Web application, VS Code extension, integrations with Jira, Azure DevOps, Slack, |
| **Licensing** |  |  |
| Self-hostable / open-source | ✗ | ✗ |
| **AI** |  |  |
| AI design assist | - | ✓ |
| **Pricing** |  |  |
| Pricing model | Freemium | Freemium |
| **Ecosystem** |  |  |
| Plugin / community ecosystem | - | Official integrations with design tools (Figma) and dev tools (Jira, Azure DevOp |

*Source: Vioscale. Generated 2026-09-01T15:17:49.283Z. "-" = undocumented, not absent.*