Proto.io

Name: Proto.io
Price: 29 USD

Proto.io is ranked #7 of 40 in web design software on Freedom251, made by Proto.io (44 Montgomery St. STE 300, San Francisco, CA 94104, United States). It runs on Android, iOS, Web. There is a free plan. A free trial is offered. Paid plans start at $29/mo.

Proto.io plans and pricing

All plans

Free plan Not published 1 user · 1 active project · 5 prototype screens · 10 MB storage · No additional reviewers proto.io · 21 Sept 2026

Freelancer $29/mo paid monthly 1 user · 5 active projects proto.io · 28 Sept 2026

Startup $49/mo paid monthly 2 users · 10 active projects proto.io · 28 Sept 2026

Agency $99/mo paid monthly 5 users · 15 active projects proto.io · 28 Sept 2026

Corporate $199/mo paid monthly 10 users · 30 active projects proto.io · 28 Sept 2026

Enterprise Not published Tailored plan Additional users · Unlimited projects · SSO · Enterprise-grade security proto.io · 21 Sept 2026

Compared on web design software

Free plan: Yes
Design systems: Yes

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Proto.io

Web-Based No-Code: Proto.io is web based and requires no coding skills.
Free Trial: The trial lasts 15 days and requires no credit card.
Free Plan Limits: The free plan includes 1 user, 1 active project, 5 prototype screens, and 10 MB storage.
Free Plan Exports: The free plan supports HTML, PNG, and PDF export, plus design-tool import and branding.
Free Plan Sharing: The free plan includes single-click sharing but no additional reviewers.
Supported Platforms: Proto.io supports iOS, Android, and web prototypes, with native iOS and Android apps.
UI Components: The product includes more than 250 UI components that mimic native behavior.
Template Library: Proto.io provides more than 1,000 customizable web and mobile templates.
Digital Assets: The library includes more than 6,000 static and animated icons, stock images, and sound effects.
Interaction Options: Proto.io offers over 80 events and over 40 actions, with nested and multidirectional scrolling.
Screen Transitions: Users can connect screens with 18 built-in transitions.
Sharing And Export: Users can share links, export to PDF, PNG, or HTML, and share snapshots at exact points in time.
User Testing: Proto.io supports user testing with popular user testing platforms.
Team Security: Its granular security model supports working alone or in teams of any size.
Price from: $29/mo

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Where it ranks on Freedom251

Best Web Design Software in 2026#7 of 40
Best UI Design Tools in 2026#9 of 37
Best Game UI Design Software in 2026#10 of 32
Best Prototyping Software in 2026#8 of 30

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Sources

proto.io· checked 28 Sept 2026
proto.io/en/pricing/· checked 28 Sept 2026