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Justinmind

Justinmind

Prototyping and wireframing tool for building web and mobile app interfaces without code.

softwareUI & UX DesignUI prototypingwireframingUX design
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Our Verdict

Best for

UX teams that want prototyping and requirements tracking combined in one workflow.

Skip if

You want a lightweight, browser-native tool with a modern collaborative interface.

What is Justinmind?

Justinmind is a design and prototyping platform used to build web and mobile app interfaces ranging from low-fidelity wireframes to high-fidelity interactive prototypes. It offers vector-based UI design tools, reusable design systems and UI kits, and interaction features like web animations, transitions, and mobile gestures such as tap, swipe, pinch, and scroll. The platform is used by teams at companies including Adobe, Google, and Cisco, and combines prototyping with requirements management, letting teams embed and track requirements directly inside prototypes. Finished work can be tested on iPhone, iPad, and Android through companion viewer and emulator apps, and exported as HTML, SVG, PNG, or developer specification documents.

SpecificationsAI-estimated

deploymentDesktop App
open source❌ No
support optionsCommunity support on Free plan, dedicated support on paid tiers

Key Features of Justinmind

Builds low-fidelity wireframes and high-fidelity interactive prototypes in the same tool.
Supports mobile gesture interactions including tap, swipe, pinch, and scroll.
Includes reusable UI kits, masters, and templates for consistent design systems.
Lets teams embed and track written requirements directly alongside prototype screens.
Enables real-time collaborative editing with version control for design teams.
Exports prototypes to HTML, SVG, and PNG along with developer specification documents.
Provides viewer and emulator apps to test prototypes on iPhone, iPad, and Android.

Use Cases for Justinmind

1

Mobile app wireframing

Sketch out app screens and flows with gesture-based interactions before development.

2

Requirements-linked prototyping

Attach and track functional requirements directly on prototype screens for stakeholder review.

3

Developer handoff

Export prototypes with specification documents so engineers can implement designs accurately.

4

Team design systems

Build reusable UI kits and masters so multiple designers stay visually consistent.

Pros & Cons of Justinmind

Pros

  • Combines prototyping with requirements management in one tool
  • Free tier has no restrictions on UI design features, just project count
  • Strong mobile gesture and interaction support
  • Desktop app plus real-device testing via companion apps

Cons

  • Free plan limited to a single project
  • Interface feels dated compared to newer browser-first design tools
  • Per-editor pricing adds up for larger teams

Frequently Asked Questions

Is Justinmind free to use?

Yes, the Free plan includes full UI design and wireframing features but is limited to one project.

Can I test Justinmind prototypes on a real phone?

Yes, Justinmind offers viewer and emulator apps for iPhone, iPad, and Android.

Does Justinmind support requirements management?

Yes, it lets teams embed and track requirements directly within prototypes.

What platforms does Justinmind run on?

Justinmind has a downloadable desktop app for macOS and Windows, plus cloud-based collaboration.

Pricing Overview

View full pricing →
Freemium

Free

$0

Standard

$19/editor/mo

Professional

$29/editor/mo

Enterprise

Up to $59/mo

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About the Product

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Platforms
WindowsMaciOSAndroidWeb
Target AudienceUX designers and product teams building interactive wireframes and hi-fi prototypes without code

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Tags

UI prototypingwireframingUX designrequirements managementdesign systems

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Wireframing

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