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Proto.io - Prototyping for all

Updated: Sep 8, 2026

Build interactive web, iOS, and Android prototypes in your browser with drag-and-drop templates, UI components, and icons — no coding required. Start for free.

Proto.io - Prototyping for all

About Proto.io - Prototyping for all

Overview

Proto.io is a 100% web-based prototyping platform that lets you build interactive web, iOS, and Android prototypes directly in your browser without writing code. It targets UX designers, entrepreneurs, product managers, marketers, and anyone with an idea to bring to life.

The drag-and-drop interface provides ready-made templates, UI components, icons, and other digital assets so you can create low- or high-fidelity prototypes quickly.

Key Benefits

  • Build prototypes in your browser with no coding skills required
  • Start from 250+ UI components that mimic native iOS, Android, and web behavior
  • Choose from 1000+ ready-made, customizable templates for web and mobile
  • Access 6000+ static and animated icons, stock images, and sound effects
  • Add interactivity with over 80 events and 40+ actions, including nested scrollable areas
  • Bring designs to life with 18 screen transitions and timeline-based animations

How It Works

Sign up for a free 15-day trial with no credit card required. Drag and drop templates, UI components, and assets onto the canvas, add interactions and animations, then preview on the web or a mobile browser.

Share single or multiple links, export to PDF, PNG, or HTML for offline viewing, and give or receive feedback with comments and user testing platforms.

Use Cases

  • UX designers build and test interactive prototypes before development
  • Product managers communicate the functionality behind their designs
  • Entrepreneurs visualize ideas quickly to win client buy-in
  • Marketers create clickable demos and onboarding flows
  • Design teams collect feedback through comments and popular user testing platforms

Why Choose This Product

Proto.io includes all features across every plan, from Freelancer to Corporate, and offers a flexible granular security model that works for individuals or teams of any size. A library of documentation, sample projects, video tutorials, and webinars supports users at every level.

Proto.io - Prototyping for all Pros & Cons

Strengths
  • 100% web-based with no code required
  • 1000+ ready-made customizable templates
  • 6000+ digital assets including animated icons and sound effects
  • Free 15-day trial with no credit card required
  • All features available in every paid plan
Limitations
  • Free plan offers only limited features
  • Users and active projects capped by plan tier

Key Features

🧩

Drag & drop editor

Build prototypes by dragging and dropping building blocks onto the canvas with an easy drag-and-drop upload.

🧱

UI component libraries

Hundreds of interactive, customizable native UI items from iOS, Material Design, Windows, and watchOS that mimic real behavior.

📄

Templates

Mix-and-match ready-made, customizable templates and patterns to create prototypes and wireframes in minutes.

🎨

Icon library

A huge library of thousands of icons that can be resized and recolored, plus a collection of animated icons.

🔊

Sound effects & audio

Pick sound effects from a library or upload your own audio files and control them with play, pause, and stop interactions.

🎬

Video & Lottie support

Upload video files or embed YouTube and Vimeo, and bring After Effects animations in as Lottie files via Bodymovin.

📜

Scrollable containers

Create scrollable areas and carousels with vertical or horizontal scroll, including nested scroll effects.

🔁

Reusable & custom components

Create reusable content blocks and custom design-system components that update across all screens they are used in.

🎞️

Animations & transitions

Connect screens with 18 transitions and use timeline-based state animations to control timing, easing, duration, and any layer property.

🔌

Design tool plugins

Instantly transfer Sketch, Figma, Adobe XD, and Adobe Photoshop files into Proto.io.

Proto.io - Prototyping for all Pricing

View full pricing →
Freelancer
$29/mo
  • 1 user
  • 5 active projects
  • Unlimited reviewers
  • All features included
Most popular
Startup
$49/mo
  • 2 users
  • 10 active projects
  • Unlimited reviewers
  • All features included
Agency
$99/mo
  • 5 users
  • 15 active projects
  • Unlimited reviewers
  • All features included
Corporate
$199/mo
  • 10 users
  • 30 active projects
  • Unlimited reviewers
  • All features included
Compare plans
Feature
Freelancer
$29/mo
Startup
$49/mo
Agency
$99/mo
Corporate
$199/mo
1 user
5 active projects
Unlimited reviewers
All features included
2 users
10 active projects
5 users
15 active projects
10 users
30 active projects

Pricing extracted from the product website and may change. Check the source for current details.

Frequently asked questions about Proto.io - Prototyping for all

What do all paid subscription plans include?

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

When will I get billed?

Your billing cycle begins the day you purchase a paid plan for the first time. Your credit card is charged every month.

What happens at the end of the trial?

After signup you have 15 days to activate your subscription. Proto.io emails a reminder before the trial expires. When the trial ends you can upgrade to a paid plan or downgrade to a free plan with limited options.

Can I change plans at any time?

Yes. Your billing cycle begins the day you first purchase a paid plan, and your credit card is charged every month, so you can adjust your plan as needed.

Can I cancel my account anytime?

Yes. Your account stays active until the billing cycle you already paid for ends and is deleted at the start of the next cycle. Alternatively, for a small monthly fee you can Park your account to keep projects safe and preview on the web, though access to the Editor and Share Links is unavailable while parked.

How secure is Proto.io?

Proto.io uses industry standard SSL security for all of your work. Your data is hosted in a secure hosting facility and regularly backed up.

How Proto.io - Prototyping for all compares

 
Proto.io - Prototyping for all logo
Proto.io - Prototyping for allThis
Starting price$29/moFreeFreeFree
Pricing modelFreemiumFreemiumFreemiumFreemium
PlatformsWebWebWebmacOS, Windows, Linux
Top features
  • Drag & drop editor
  • UI component libraries
  • Templates
  • Lottie animation editor
  • Figma & After Effects imports
  • GIF & MP4 export
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