# Proto.io vs Zeplin

**Leader by vioscaleAI score:** Zeplin

| Attribute | Proto.io | Zeplin |
|---|---|---|
| **vioscaleAI score** | 57.1 (56% (medium)) | 69.1 (40% (low)) |
| content.faq | `[{"answer":"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. It is indexed under UI/UX & Prototyping Tools.","source":"https://proto.io/en/pricing/","question":"What is Proto.io?","confidence":0.6},{"answer":"Proto.io offers a free tier, so you can start without paying. Paid plans start at $29 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://proto.io/en/pricing/","question":"Is Proto.io free?","confidence":0.6},{"answer":"Proto.io supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://proto.io/en/pricing/","question":"What platforms does Proto.io support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Proto.io, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://proto.io/en/pricing/","question":"Can Proto.io be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for Proto.io, including Sketch, Figma, Adobe XD and Photoshop. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://proto.io/en/pricing/","question":"What does Proto.io integrate with?","confidence":0.6},{"answer":"We have independently confirmed ISO 27001 and GDPR for Proto.io. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Proto.io not holding them. Always confirm compliance directly before you rely on it.","source":"https://proto.io/en/security/","question":"What security certifications does Proto.io have?","confidence":0.7},{"answer":"Proto.io is available worldwide. The vendor is headquartered in the United States.","source":"https://proto.io/en/pricing/","question":"Where is Proto.io available?","confidence":0.75}]` | `[{"answer":"Zeplin is a collaboration platform where design teams finalize designs, document requirements, manage versions, and handoff to developers with integrated code generation. It sits between design creation tools and development environments, keeping specifications organized and synchronized without disrupting the design process. It is indexed under UI/UX & Prototyping Tools.","source":"https://zeplin.io/pricing/","question":"What is Zeplin?","confidence":0.6},{"answer":"Zeplin offers a free tier, so you can start without paying. Paid plans start at $12 per user per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://zeplin.io/pricing/","question":"Is Zeplin free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Zeplin. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://zeplin.io/pricing/","question":"What platforms does Zeplin support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Zeplin, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://zeplin.io/pricing/","question":"Can Zeplin be self-hosted?","confidence":0.6},{"answer":"We have confirmed 10 integrations for Zeplin, including Jira, Azure DevOps, VS Code, Storybook, Slack, Teams, Figma and Zeplin API, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://zeplin.io/pricing/","question":"What does Zeplin integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Zeplin. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Zeplin not holding them. Always confirm compliance directly before you rely on it.","source":"https://zeplin.io/enterprise/design-compliance/","question":"What security certifications does Zeplin have?","confidence":0.7},{"answer":"Zeplin is available worldwide. Its primary market is the United States.","source":"https://zeplin.io/pricing/","question":"Where is Zeplin available?","confidence":0.75}]` |
| 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. | Zeplin is a collaboration platform where design teams finalize designs, document requirements, manage versions, and handoff to developers with integrated code generation. It sits between design creation tools and development environments, keeping specifications organized and synchronized without disrupting the design process. |
| 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","architecture_model":"managed_cloud_saas_browser","component_libraries":true,"realtime_collaboration":true,"storybook_two_way_component_syncing":true,"one_click_svg_png_and_webp_asset_extraction":true,"redline_spacing_and_css_property_inspection":true,"react_vue_swift_compose_semantic_code_export":true,"vs_code_extension_for_inline_design_inspection":true,"design_token_variable_support_and_export_css_variables":true}` |
| integrations.count | 4 | 8 |
| 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"},{"name":"Microsoft Teams","native":true,"category":"chat","direction":"outbound"},{"name":"Zeplin MCP Server","native":true,"category":"development","direction":"outbound"}]` |
| 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":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free forever, unlimited users per workspace","features":["Code-connected components","Jira & Azure integrations","Storybook integration","Slack & Teams","VS Code extension","Annotations, flows, approvals","Chat & email support","AI Design Review"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free workspace with core features, limited controls","contactSales":false},{"free":false,"name":"Basic","summary":"One flat rate per project (packs of 1, 3, 6, 9, or 12); annual plans include 1 month free","features":["All Free features","Styleguides and component versioning","Component variants","No user dashboard or advanced permissions"],"commitment":"annual","description":"Pay-per-project model with unlimited users per project","contactSales":false},{"free":false,"name":"Advanced","summary":"$12 per seat/month billed annually","features":["All features","User dashboard","Admin, Editor, Developer, and Reviewer roles","SAML-based SSO","MFA","SCIM user provisioning","Invoiced billing via bank transfer","24-hour priority support SLA","On-prem Jira Server integration available"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":12,"period":"month","currency":"USD"}],"description":"Per-seat pricing with advanced team and access controls","contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing, contact sales","features":["All features","Success Manager","Custom configuration","24-hour support SLA"],"description":"Custom plan with dedicated support and flexible terms","contactSales":true}],"summary":"Free tier available. Per-project and per-seat options. Advanced from $12/seat/month.","currency":"USD","freeTier":true,"sourceUrl":"https://zeplin.io/pricing/","retrievedAt":"2026-09-03T18:00:24.259Z","startingPrice":{"unit":"seat","amount":12,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | mid | low |
| pricing.starting_price | - | `{"amount":12,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| security.gdpr | yes | yes |
| security.iso27001 | yes | - |
| security.trust_center | - | https://zeplin.io/enterprise/design-compliance/ |

## 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: vioscaleAI. Generated 2026-10-16T20:01:18.631Z. "-" = undocumented, not absent.*