Proto.io is unclaimed —

Proto.io

Prototyping for all·proto.io

Proto.io is a 100% web-based prototyping tool for building interactive web, iOS, Android and other low- or high-fidelity prototypes without coding. It offers drag-and-drop UI component libraries, templates, icons, and animation/interaction tools to design and share realistic prototypes. Users can preview, share, collect feedback, and export prototypes to PDF, PNG or HTML.

What it's for

Building interactive web and mobile prototypesCreating wireframes from templatesSharing prototypes for stakeholder feedbackConducting user testingPresenting design concepts to clients

Features 19

1000+ customizable templates for web and mobile
18 built-in screen transitions
6000+ digital assets (icons, animated icons, stock images, sound effects)
Advanced animation effects (opacity, color, rotation, scaling, filters)
Custom device sizes and skins
Drag & drop UI component libraries (250+ components mimicking native OS behavior)
Export to PDF, PNG, and HTML
Granular role-based security and user management
Import from Sketch, Figma, Adobe XD and Photoshop
Integrations with Jira, Confluence, and Trello
Mobile preview via Proto.io Player app (iOS/Android) including offline preview
Password-protected and public share links with analytics
Reusable and custom components/design systems
Reviewer access with commenting for feedback
Timeline-based state animations
Touch, mouse, keyboard, and screen event support with multi-touch gestures
User testing platform integration (UserTesting, UserZoom, Userlytics, Lookback, UXArmy)
Variables for conditional logic and data display
Version control with automatic backups

At a glance

free tierfree trial

TypeWeb app

DeploymentCloud

PlatformsWeb, iOS, Android

ForUX designers, entrepreneurs, product managers, marketers, developers

CompanyPROTOIO Inc. · 2011

Integrations

SketchFigmaAdobe XDAdobe PhotoshopGoogle FontsAdobe FontsJiraConfluenceTrelloYouTubeVimeoUserTestingUserZoomUserlyticsLookbackUXArmy

Complianceself-reported

ISO/IEC 27001GDPR

Resources

Docs

Pricing

Enterprise plans are quote-based/tailored (additional users, unlimited projects, SSO, enterprise-grade security). Education/non-profit discount requires contacting Proto.io. Free trial is 15 days full-featured, no credit card required; account converts to limited Free plan after trial expires.

FreeFree

No additional reviewers

1 user, 1 active project, 5 prototype screens, 10 MB of storage, no additional reviewers

Freelancer$29/mo

Preview in Player, Preview in Proto.io App, Share, Comments, Unlimited reviewers, Export to HTML/PNG/PDF, Branding, Import from Sketch, Figma, Adobe XD, Photoshop, 256-bit SSL encryption, real-time chat support

1 user, 5 active projects, unlimited reviewers

Startup$49/mo

Marked 'Most popular'

2 users, 10 active projects, unlimited reviewers

Agency$99/mo

5 users, 15 active projects, unlimited reviewers

Corporate$199/mo

10 users, 30 active projects, unlimited reviewers

EnterpriseQuote

Quote-based; contact sales

Additional users, unlimited projects, SSO and enterprise-grade security

Save up to 20% with annual billing