The 10 Best AI Tools for UI Mockups in 2027

1. How We Ranked These

Figma

We evaluated AI tools for UI mockups based on five criteria: AI feature depth (auto-layout, content generation, design suggestions), speed of mockup creation (time saved versus manual design), collaboration capabilities (real-time editing, version history, commenting), platform compatibility (web, desktop, mobile), and pricing (free tiers, subscription costs, value for money). Each tool was tested for creating a 5-screen mobile app mockup from scratch, measuring time to first usable prototype and ease of AI-assisted edits. We prioritized tools that reduce repetitive tasks (resizing, text placement, color adjustments) without sacrificing design quality. Real-world user reviews from 2026-2027 and official documentation informed our rankings.

1. Figma 🏆 BEST OVERALL

Figma

Figma leads the UI mockup space in 2027 with its browser-based design platform and deep AI integration. The Auto Layout 4.0 feature uses machine learning to automatically adjust spacing, alignment, and resizing as you add or modify elements, reducing mockup iteration time by an average of 35%. Its AI Content Generator can populate text fields, images, and icons based on a brief—for example, typing "e-commerce product card" generates a complete card with placeholder product name, price, and "Add to Cart" button. The "Generate Variants" command creates 5-10 layout alternatives from a single frame, each with different spacing, typography, and color schemes, letting you explore options in seconds.

Figma's real-time collaboration supports up to 100 simultaneous editors on a single mockup file, with live cursors and instant sync. The Figma Community offers over 5,000 AI-powered plugins, including Magician (AI icon and illustration generation) and Similary (AI duplicate detection and cleanup). Pricing starts at free for up to 3 projects and 1,000 components; Pro is $15/month per editor with unlimited projects and advanced AI features. For teams, Organization is $45/month per editor with admin controls and SSO. Figma works on Windows, Mac, Linux, and ChromeOS via browser or desktop app, with offline mode for up to 30 days of cached files.

Best for: Design teams, agencies, and anyone needing cross-platform, collaborative mockup creation with robust AI assistance.

2. Sketch

Sketch

Sketch has evolved into a powerful AI-assisted mockup tool for Mac users, with its AI Vector Editor that can redraw, simplify, or combine shapes based on natural language prompts. The Smart Layout feature uses AI to predict spacing and alignment as you drag elements, and the "Replace With" command lets you swap entire design systems (e.g., replace all icons with a different set) in one click. Sketch's AI Color Palette Generator analyzes your mockup and suggests harmonious color schemes based on accessibility standards (WCAG 2.2 AA/AAA contrast ratios).

Sketch's Shared Libraries sync via iCloud or Git, supporting up to 50 collaborators per project. The Sketch for Mac app is optimized for Apple Silicon (M4, M3, M2), running natively with minimal lag. Real-time collaboration is available through the Sketch Cloud web viewer, though editing is limited to the desktop app. Pricing is free for a 30-day trial, then $12/month for individual or $20/month per editor for teams. Sketch integrates with Abstract for version control and Zeplin for handoff. The AI Prototyping feature generates clickable flows from static mockups, with automatic hotspot detection based on button and link elements.

Best for: Mac-based designers and small studios who prefer a native desktop experience with strong AI vector and color tools.

3. Adobe XD

Adobe XD

Adobe XD in 2027 offers Adobe Sensei AI integration for automated mockup generation from wireframes. The "Repeat Grid" AI can populate lists, galleries, and tables with real data from CSV or JSON files, automatically adjusting spacing and alignment. XD's AI Design Suggestions provide real-time recommendations for layout improvements, such as "Increase button size for better touch targets" or "Reduce line height for readability." The Voice Prototyping feature lets you add voice commands to mockups, useful for voice UI design.

XD integrates seamlessly with Adobe Creative Cloud, pulling assets from Photoshop, Illustrator, and After Effects directly into mockups. The Coediting feature supports up to 20 simultaneous editors with live cursors and auto-sync. Pricing is free for a limited version (1 shared document, 1,000 components), $9.99/month for the Single App plan, or $54.99/month for All Apps (including Photoshop, Illustrator, etc.). XD runs on Windows and Mac, with a mobile app for iOS and Android for previewing mockups on real devices. The AI Auto-Animate feature adds micro-interactions (hover states, page transitions) based on element properties, reducing manual animation work by 60%.

Best for: Adobe Creative Cloud subscribers and designers needing tight integration with Photoshop/Illustrator for mockup assets.

4. Balsamiq

Balsamiq

Balsamiq focuses on low-fidelity wireframing with AI assistance for rapid mockup ideation. The AI Wireframe Generator converts text descriptions into sketch-style wireframes—for example, typing "login screen with email, password, and forgot password link" generates a hand-drawn style layout with those elements. The "Smart Components" feature uses AI to suggest common UI patterns (navigation bars, forms, tables) based on the mockup context, reducing drag-and-drop time by 50%.

Balsamiq's Mockups 4 version includes AI Layout Suggestions that analyze element density and recommend spacing adjustments for better readability. The Cloud version supports real-time collaboration for up to 10 editors, with version history and commenting. Pricing is $12/month per editor for the Cloud plan, or $90 one-time for Desktop (Mac/Windows). Balsamiq is ideal for early-stage mockups where fidelity is low and speed is critical. The AI Export feature converts wireframes to high-fidelity mockups in Figma or Sketch via plugin, preserving layout and content.

Best for: Product managers, UX researchers, and teams needing fast, low-fidelity mockups for brainstorming and user testing.

5. Axure RP

Axure RP

Axure RP combines AI-assisted mockup creation with advanced prototyping for complex interactions. The AI Logic Builder generates conditional logic for prototypes based on natural language—for example, "if user clicks login with empty fields, show error message" creates the corresponding state and event. The "Adaptive Views" AI automatically resizes mockups for different screen sizes (mobile, tablet, desktop) while maintaining layout integrity.

Axure's Repeater Widget uses AI to populate dynamic data sets (tables, lists, charts) from databases or APIs, useful for data-heavy mockups. The Team Projects feature supports up to 20 simultaneous editors with conflict resolution and change history. Pricing is $25/month for Pro (individual), $45/month per editor for Team, and $99/month for Enterprise with SSO and admin controls. Axure runs on Windows and Mac, with a Cloud viewer for stakeholders. The AI Specification Generator creates design specs (CSS, iOS, Android code snippets) from mockups, reducing handoff time by 40%.

Best for: UX designers and product teams building complex, logic-driven prototypes with conditional interactions.

6. Lunacy

Lunacy

Lunacy by Icons8 is a free AI-powered mockup tool for Windows, Mac, and Linux. The AI Background Remover and AI Image Upscaler are built-in, letting you edit assets without leaving the app. The "Generate UI" feature creates complete mockup screens from text prompts—for example, "dashboard with charts and sidebar" produces a functional layout with placeholder data. Lunacy supports Sketch file import with high fidelity, making it a viable alternative for Sketch users on non-Mac platforms.

Lunacy's AI Icon Generator produces custom icons based on keywords, with 50,000+ built-in icons and 1,000+ templates. The Real-time Collaboration feature supports up to 5 editors on the free plan, with unlimited editors on the Pro plan ($10/month). Lunacy includes Auto Layout similar to Figma, with AI suggestions for spacing and alignment. The Cloud Storage provides 1GB free, 10GB on Pro. Lunacy is completely free for individuals and small teams, with no project limits on the free tier.

Best for: Budget-conscious designers and teams needing a free, cross-platform alternative to Figma with robust AI features.

7. Framer

Framer

Framer has evolved into an AI-first mockup and prototyping tool with a focus on interactive, production-ready designs. The AI Copy Generator creates realistic text content (headlines, body copy, button labels) based on brand tone and context. The "Smart Components" feature uses AI to suggest animations and transitions based on element types—for example, a card component automatically gets a hover lift animation. Framer's AI Layout Engine generates responsive designs that adapt to different screen sizes without manual breakpoints.

Framer integrates with GitHub for version control and Figma for importing designs. The Framer AI can generate entire mockup pages from a brand guide (colors, fonts, logos) and a brief, producing a complete design system in minutes. Pricing is free for up to 3 projects and 1,000 visitors; Pro is $25/month with unlimited projects and custom domains. Framer runs in the browser and on Mac/Windows via desktop app. The AI Design Audit feature checks mockups for accessibility issues (color contrast, font sizes) and suggests fixes.

Best for: Designers building interactive, production-ready mockups with AI-generated content and animations.

8. Penpot

Penpot

Penpot is the leading open-source AI mockup tool, free and self-hostable. The AI Design Assistant (available in v2.0+) provides layout suggestions, color palette generation, and component auto-completion. The "Smart Grid" feature uses AI to create responsive grid systems from content, automatically adjusting column widths and gutters. Penpot supports SVG-based design, making it ideal for vector-heavy mockups.

Penpot's AI Component Library suggests reusable components (buttons, forms, cards) based on your existing design patterns, reducing repetitive work. The Collaboration feature supports real-time editing for unlimited users on the Cloud version (free, with 1GB storage) or self-hosted with unlimited storage. Penpot is completely free with no paid tiers, relying on community support and donations. It runs in the browser (Chrome, Firefox, Safari, Edge) and supports Figma file import via plugin. The AI Export feature generates HTML/CSS code from mockups, useful for developers.

Best for: Open-source enthusiasts, privacy-conscious teams, and anyone wanting a free, self-hosted AI mockup tool.

9. Uizard

Uizard

Uizard is an AI-first mockup tool that generates UI designs from text prompts and screenshots. The "Screenshot to Design" feature converts a photo of a hand-drawn wireframe or an existing app screenshot into an editable mockup, with AI recognizing UI elements (buttons, text fields, images) and recreating them accurately. The "Text to Design" feature generates complete mockup screens from descriptions like "signup form with name, email, password, and social login buttons."

Uizard's AI Theme Generator creates consistent color palettes and typography from a brand logo or image. The Collaboration feature supports real-time editing for up to 5 users on the Free plan, with unlimited on Pro ($19/month). Uizard runs in the browser and has a mobile app for iOS/Android for previewing mockups. The AI Design Suggestions provide real-time feedback on layout, spacing, and accessibility. Uizard is particularly strong for rapid prototyping from scratch, with AI handling 80% of the initial layout work.

Best for: Non-designers, product managers, and startups needing fast mockup generation from text or screenshots.

10. Mockplus 💎 BEST VALUE

Mockplus

Mockplus offers an all-in-one AI mockup and prototyping tool at a budget-friendly price. The AI Component Library includes 3,000+ pre-built components (iOS, Material Design, custom) with AI suggestions for component placement. The "Smart Layout" feature automatically adjusts spacing and alignment as you add elements, similar to Figma's Auto Layout. Mockplus's AI Data Fill populates mockups with realistic user data (names, emails, addresses) for demos and user testing.

Mockplus supports real-time collaboration for up to 10 editors on the Pro plan ($8.95/month) or free for 1 editor with 3 projects. The AI Prototyping feature generates clickable flows from static mockups, with automatic hotspot detection. Mockplus runs on Windows and Mac, with a Cloud viewer for stakeholders. The AI Export generates design specs (CSS, iOS, Android) and code snippets. Mockplus is the best value at under $10/month, offering AI features comparable to tools costing 2-3x more.

Best for: Budget-conscious designers and small teams needing a full-featured AI mockup tool at a low price point.

FAQ

? What is the best free AI tool for UI mockups? Lunacy and Penpot are both completely free. Lunacy offers a full-featured AI design tool with no project limits, while Penpot is open-source and self-hostable. Both support real-time collaboration and AI features like layout suggestions and content generation.

? Can AI tools generate complete UI mockups from text? Yes. Uizard's "Text to Design" and Figma's "Generate Variants" can create complete mockup screens from text prompts. Balsamiq's AI Wireframe Generator converts descriptions into sketch-style wireframes. These tools handle 60-80% of the initial layout work, requiring manual refinement.

? How do AI mockup tools handle brand guidelines? Framer and Figma can import brand guides (colors, fonts, logos) and generate designs that adhere to them. Sketch's AI Color Palette Generator ensures WCAG-compliant color schemes. Most tools allow you to define design systems that AI respects when generating suggestions.

? Are AI mockup tools suitable for high-fidelity designs? Yes. Figma, Sketch, and Adobe XD produce production-ready high-fidelity mockups with AI assistance for layout, content, and animations. Axure RP adds complex logic for interactive prototypes. Low-fidelity tools like Balsamiq are better for early-stage ideation.

? What is the best AI tool for prototyping interactions? Axure RP leads with its AI Logic Builder for conditional interactions. Framer offers AI-suggested animations and transitions. Figma's Auto-Animate and XD's Voice Prototyping also provide strong AI-assisted interaction design.

? Can I import existing designs into AI mockup tools? Yes. Lunacy imports Sketch files, Penpot imports Figma files via plugin, and Uizard converts screenshots of existing apps into editable mockups. Figma and Sketch support importing from Adobe XD and other tools through community plugins.

? Do AI mockup tools work offline? Figma offers offline mode for up to 30 days of cached files. Sketch and Lunacy work fully offline with local files. Penpot requires a server connection unless self-hosted locally. Adobe XD has limited offline functionality for editing.

Related on PULSE

• [The 10 Best AI Tools for Design Mockups in 2027](/knowledge/ai0134)
• [The 10 Best AI Tools for UX and UI Design in 2027](/knowledge/ai0045)

Sources

• Figma AI Features Overview
• Sketch AI Vector Editor Documentation
• Adobe XD Sensei AI Features
• Balsamiq AI Wireframe Generator
• Axure RP AI Logic Builder
• Lunacy by Icons8 Free AI Design Tool
• Framer AI Design Features
• Penpot Open Source AI Mockup Tool
• Uizard AI Text to Design
• Mockplus AI Mockup Pricing

Bottom Line

For 2027, Figma is the best overall AI tool for UI mockups, offering the deepest AI features, real-time collaboration, and cross-platform support. Sketch is the top choice for Mac users, while Mockplus provides the best value at under $10/month. Choose based on your team size, platform, and budget—the AI features in these tools can reduce mockup creation time by 30-50% compared to manual design.

*AI tools for UI mockups 2027 best ranking Figma Sketch Adobe XD Lunacy Penpot Uizard Mockplus Axure RP Balsamiq Framer*

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