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Creative & Media

UI/UX Design & Prototyping

Tools for designing interfaces and making them clickable, from a hand-drawn wireframe to a prototype with real logic. Every tool below is measured against the same criteria, in the same order. What separates them is fidelity and what a developer gets at the end.

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18tools

  • Zeplin

    AI featuresMCP-ready

    Price Free; Basic $13.75 / month

    Not rated yet

    Design handoff platform where finished screens from Figma, Sketch and Adobe XD become specs, assets and code snippets for developers.

    Strengths

    • Unlimited members on the per-project plans, so developers and clients join without extra cost
    • Reviewers are free seats on Advanced
    • Version history per screen, with version compare
    • An MCP server hands specs and tokens to AI coding tools

    Limitations

    • Does not design or prototype, so a separate design tool is always needed
    • Flow Boards and role-based permissions need Advanced
    • SSO, MFA and activity logs are Enterprise only
    • The AI features are in beta and capped per week
    Visit site

  • MockFlow

    AI featuresMCP-ready

    Price Free plan

    Not rated yet

    Wireframes, prototypes and diagrams on one shared canvas, with an AI agent and code and Figma export.

    Strengths

    • Wireframes, prototypes and diagrams share one canvas
    • Exports editable Figma layers and framework code
    • Unlimited free viewers on paid plans
    • Open-source MCP servers for outside AI tools

    Limitations

    • The free plan is limited to personal and nonprofit use and 4 projects
    • SSO, connectors and custom team UI kits sit in the top Max plan
    • A free account unused for 60 days may be closed
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  • Balsamiq

    AI featuresMCP-ready

    Price From $16 / editor / month

    Not rated yet

    Low-fidelity wireframes and clickable prototypes in a deliberately sketchy style, with AI that turns prompts, screenshots and sketches into wireframes.

    Strengths

    • Unlimited reviewers at no extra cost on every plan
    • AI turns prompts, screenshots and sketches into editable wireframes
    • MCP server included on every Cloud plan
    • Customer data is not used to train the partner AI models
    • Enterprise offers data storage in the US or the EU

    Limitations

    • No free plan, only a 14-day trial
    • Sales of the Desktop version end on December 31, 2026, and it has no AI features
    • Projects are capped by plan, from 10 on Starter to 400 on Enterprise
    • Low-fidelity on purpose, so not a tool for finished visual design
    Visit site

  • ProtoPie

    AI featuresMCP-ready

    Price Free; Basic $25 / month

    Not rated yet

    Advanced interaction prototyping for multi-device and hardware experiences, with AI that turns plain language into interaction logic.

    Strengths

    • Runs prototypes on real hardware, simulators and several devices together
    • Records interaction specs for developers automatically
    • Free plan to start, with an MCP server for external AI tools on Pro
    • Plugins import designs from Figma, Sketch and Adobe XD

    Limitations

    • The free plan is limited to 2 prototypes and 50 MB of Cloud storage
    • Basic covers one seat only, and team libraries need Pro
    • Native hardware integration needs the paid Connect add-on
    Visit site

  • Proto.io

    Price Free; Freelancer $24 / month

    Not rated yet

    Browser-based prototyping tool for realistic, interactive app and web prototypes without code.

    Strengths

    • Every paid plan carries every feature; plans differ only in users and projects
    • Variables and conditional logic without code
    • A large built-in library of native-looking components and templates
    • Player apps for iOS and Android preview prototypes offline

    Limitations

    • The Free plan is limited to one project, 5 screens and 10 MB
    • Every plan below Enterprise caps active projects, at 30 on Corporate
    • SSO is Enterprise only
    Visit site

  • Lunacy

    AI features

    Price Free

    Not rated yet

    Free desktop UI and web design editor for Windows, macOS and Linux that opens Sketch and Figma files.

    Strengths

    • Free for personal and commercial use, with no locked editor features
    • Opens and saves .sketch files natively and opens Figma files
    • Works offline on local files, with cloud documents optional
    • Runs on Linux as well as Windows and macOS
    • Private cloud on-premises or on a VPS for teams that keep data in-house

    Limitations

    • The free cloud is capped at 10 documents and 30 days of version history
    • Built-in graphics need an attribution link unless you pay for a graphics subscription
    • No variables or conditional logic are documented for prototypes
    • Comments and prototype sharing work only in cloud documents
    Visit site

  • Penpot

    MCP-ready

    Price Free; Unlimited $7 / editor / month

    Not rated yet

    The open-source, browser-based design and prototyping tool that speaks CSS and SVG, in the cloud or on your own server.

    Strengths

    • Open source, with the core features promised to stay open
    • Can be self-hosted, so design files never leave your own infrastructure
    • The free Professional plan is fully featured
    • The Unlimited plan is capped at $175 a month for any team size
    • MCP server is free and works with any AI agent or LLM

    Limitations

    • The free plan is limited to 8 team members and 10 GB of storage
    • Enterprise carries a minimum of $950 a month
    • No built-in generative AI; generation depends on an external AI agent
    • Self-hosting needs a Linux server with Docker and your own upkeep
    Visit site

  • Sketch

    MCP-ready

    Price From $12 / editor / month

    Not rated yet

    A native Mac app for UI design and prototyping, with browser handoff and a local MCP server for your own AI client.

    Strengths

    • Native Mac editor that works offline and can save documents locally
    • Unlimited free viewers, who can comment, inspect and export assets in any browser
    • Built-in MCP server for Claude, Codex, Cursor or VS Code at no extra cost
    • A one-time Mac-only license is available alongside the subscriptions

    Limitations

    • The editor needs a Mac running macOS Sequoia or newer
    • No free plan outside the education offer
    • No built-in generative AI; generation depends on an external AI client
    • The MCP server is not available in the Mac App Store version
    Visit site

  • Mockplus

    Price Free; Annual $99 / year

    Not rated yet

    Wireframes, interactive prototypes and developer handoff from Mockplus RP and Mockplus Cloud, with free plans for individuals and teams.

    Strengths

    • Free plans with no time limit, for one user or teams of up to 10
    • Axure files import in one click, and the vendor says 95% of UI and interaction details stay editable
    • A one-off perpetual licence as an alternative to a subscription
    • Specs, assets and code snippets are generated automatically on publishing

    Limitations

    • Free plans are capped at 3 prototypes with 10 pages each, without exports
    • The only desktop download is for Windows
    • Single sign-on and deployment on your own server are Enterprise only, from 10 users
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  • Marvel

    Price Free

    Not rated yet

    Wireframes, clickable prototypes, user testing and developer handoff on one browser platform.

    Strengths

    • Free plan with no time limit
    • Prototyping, user testing and developer handoff on one platform
    • Handoff generates CSS, Swift and Android XML code
    • GraphQL API and Zapier for custom workflows
    • EU hosting, with SAML single sign-on and IP restriction on Enterprise

    Limitations

    • More than 6 team members requires the Enterprise plan
    • Opening and editing Sketch designs is still in beta
    • No variables or conditional logic are documented for prototypes
    • Downgrades take effect immediately, with no refund for unused time
    Visit site

  • Axure RP

    MCP-ready

    Price From $29 / user / month

    Not rated yet

    Prototyping tool for UX professionals that builds functional, data-driven prototypes with conditional logic, no code required.

    Strengths

    • Conditional logic, variables and data-driven tables without writing code
    • Unlimited free reviewers, who can comment and inspect CSS and assets
    • Enterprise can host Axure Cloud on a private domain or on premises
    • Free Team licences for qualified students and educators
    • 60% discount for nonprofits and educational institutions, 25% for government agencies

    Limitations

    • No free plan, only a 30-day trial
    • Perpetual licences are no longer sold
    • AI is limited to chat in Cloud documents and an experimental MCP server
    Visit site

  • Pixso

    AI featuresMCP-ready

    Price Free; from $120 / year per creator seat

    Not rated yet

    Browser-based UI/UX design and prototyping with whiteboards, developer handoff and an on-premise edition.

    Strengths

    • Design files, whiteboards and developer handoff in one workspace
    • Imports Figma, Axure, Sketch and Adobe XD files
    • An on-premise edition for teams that cannot use a public cloud
    • An official remote MCP server lets AI coding assistants read and edit designs

    Limitations

    • Paid seats are sold on annual terms only since monthly seats ended
    • The free plan is capped at three design and three whiteboard files per project
    • Editor AI credits are separate from Paico credits and cannot be transferred
    • Seat management, SSO and admin dashboards need the Enterprise plan
    Visit site

  • Principle

    Price $129 per computer

    Not rated yet

    Native Mac app for designing animated and interactive interfaces, from a single micro-interaction to a multi-screen app flow.

    Strengths

    • Timeline and drivers make detailed motion and gesture design quick
    • Re-importing from Figma or Sketch merges changes into existing work
    • One-time licence that keeps working without renewal
    • Shared links open in any browser, on any platform

    Limitations

    • Mac only, with no Windows version
    • New features and Share to Web need a licence bought or renewed within the last year
    • Licensed per computer, so every additional Mac needs its own seat
    Visit site

  • Origami Studio

    AI features

    Price Free

    Not rated yet

    Free prototyping tool from Meta for interactions that use gestures, data and real device hardware.

    Strengths

    • Free, with releases every few weeks
    • Prototypes can use device hardware such as camera, haptics, GPS and motion
    • Live preview on iOS and Android updates as you edit
    • Figma layers paste in as editable vectors and text

    Limitations

    • The editor runs on Mac only
    • No cloud workspace or comment threads are documented
    • No developer handoff specs are documented
    Visit site

  • Moqups

    Price Free; Starter $9 / month

    Not rated yet

    Wireframes, mockups, prototypes and diagrams in one browser app and one subscription.

    Strengths

    • Wireframes, prototypes, diagrams and whiteboards share one subscription
    • Guests view and comment without taking a paid seat
    • Free plan with no time limit
    • Designs open and edit in place inside Jira and Confluence on Business

    Limitations

    • The free plan is capped at 2 projects and 400 objects per project
    • Live collaboration needs Business, from 3 seats
    • SAML single sign-on and SCIM provisioning are Unlimited only
    Visit site

  • Justinmind

    Price Free; Standard $19 / editor / month

    Not rated yet

    Wireframes to high-fidelity simulations with working forms, data and conditional logic, on the desktop.

    Strengths

    • Free plan with unlimited screens and viewers
    • Conditions, variables and data simulation for logic-heavy prototypes
    • Perpetual licences as an alternative to a subscription
    • Self-hosted collaboration server on Enterprise

    Limitations

    • The free plan is limited to a single project
    • HTML export, masters and data simulation need Professional
    • Jira, Azure DevOps and requirements management are Enterprise only
    • Customer support starts at Professional; Free and Standard rely on the Q&A forums
    Visit site

  • UXPin

    AI features

    Price Free; Core $29 / seat / month

    Not rated yet

    Design and prototype with code-backed React components, then hand developers the JSX that uses them.

    Strengths

    • Designs use the same React components developers ship
    • Exported JSX references the team's own component names and props
    • Variables, conditional logic and expressions on every paid plan
    • Forge takes prompts or screenshots, with a choice of models or a team's own API key

    Limitations

    • A team's own React library via Git is Enterprise only
    • The Free plan is capped at 2 prototypes and 50 AI credits
    • Training, onboarding and phone support are Enterprise only
    Visit site

  • Figma

    AI features

    Price Free Starter; from $16 / month per full seat

    Not rated yet

    The professional UI/UX design standard, with AI folded into the design file and Dev Mode.

    Strengths

    • The standard for product and UI design
    • AI inside the real design file
    • Dev Mode handoff to code

    Limitations

    • Seat-based pricing and credit limits add up
    • Overkill for simple graphics
    Visit site

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