# Proto.io

> Prototyping for all. Bring your idea to life in no time.

- **Canonical URI:** https://www.vioscale.ai/software/proto-io
- **Category:** UI/UX & Prototyping Tools
- **Homepage:** https://proto.io/
- **Also known as:** proto-io
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-04T08:37:21.930Z

## Vioscale score

**63.9 / 100**, confidence 40% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 50 | 10 | 500 | ✓ |
| reliability | 0 | 12 | 0 | - |
| capabilities | 74.7 | 32 | 2391.1 | ✓ |
| integrations | 20.1 | 18 | 361.8 | ✓ |
| security_posture | 0 | 12 | 0 | - |
| pricing_transparency | 100 | 16 | 1600 | ✓ |

## Pricing

_As of 2026-08-04, [verify at source](https://proto.io/). Independently observed._

from $29/mo · Subscription · Free tier · 15-day trial

> From $29/month (Freelancer). Free tier available. Up to 20% savings on annual billing. 15-day free trial, no credit card required.

| Plan | Price | Free | Commitment |
|---|---|:--:|---|
| Freelancer | $29/month or $24/month billed annually | - | monthly |
| Startup | $49/month or $40/month billed annually | - | monthly |
| Agency | $99/month or $80/month billed annually | - | monthly |
| Corporate | $199/month or $160/month billed annually | - | monthly |
| Enterprise | Contact sales | - | - |
| Free | Free | ✓ | min 1 seats |

### Freelancer

**Included limits:** users: 1, storage: None, active_projects: 5

- 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

### Startup

Most popular

**Included limits:** users: 2, storage: None, active_projects: 10

- 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

### Agency

**Included limits:** users: 5, storage: None, active_projects: 15

- 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

### Corporate

**Included limits:** users: 10, storage: None, active_projects: 30

- 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

### Enterprise (Contact sales)

Unlimited projects, SSO, enterprise-grade security

**Included limits:** active_projects: unlimited

### Free

Limited features

**Included limits:** users: 1, storage: 10 MB, active_projects: 1, prototype_screens: 5

- Preview in Proto.io App
- Export to HTML
- Export to PNG/PDF
- Import from design tools
- Branding
- Single-click sharing
- No additional reviewers

## About

A 100% web-based, no-code prototyping solution with drag-and-drop interface for designers, entrepreneurs, product managers, and marketers. Includes UI component libraries, templates, animations, and interactive elements.

_Independently observed._

## Platform & deployment

- **Platforms:** Web
- **Deployment:** Cloud / SaaS

## Integrations (4)

_Independently observed._

- Sketch
- Figma
- Adobe XD
- Photoshop

## Capabilities

_The capabilities that matter for UI/UX & Prototyping Tools. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **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-based (100% web), mobile browser preview, iOS/Android component libraries |
| **Licensing** | |
| Self-hostable / open-source | ✗ |
| **AI** | |
| AI design assist | ✗ |
| **Pricing** | |
| Pricing model | Freemium |
| **Ecosystem** | |
| Plugin / community ecosystem | - |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 4 | [link](https://proto.io/) | 2026-08-04 | 60% (medium) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://proto.io/) | 2026-08-04 | 48% (low) |
| pricing.model | freemium | [link](https://proto.io/) | 2026-08-04 | 80% (high) |
| pricing.price_level | mid | [link](https://proto.io/) | 2026-08-04 | 60% (medium) |
| pricing.starting_gbp | 29 | [link](https://proto.io/) | 2026-08-04 | 60% (medium) |
| pricing.transparent | yes | [link](https://proto.io/) | 2026-08-04 | 60% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/proto-io). Independent, evidence-based software intelligence. Cite the canonical URI.*