Best Tools for Prototyping (2026)
Creating interactive prototypes and testing interactions
A prototype is a question made testable. It lets you find out whether an idea actually works before committing to building it — and the quality of your prototyping tool determines how precise that question can be.
Low-fidelity prototypes answer navigation and flow questions. High-fidelity prototypes can test microcopy, animation timing, and the feel of interactions. The best prototyping tools let you move fluidly between both, adding fidelity only where it matters.
Key things to look for: realistic interaction triggers, quality transition and animation controls, and the ability to connect prototypes to real data. Tools that require a separate prototyping step divorced from the design file tend to fall short — the less friction between design and prototype, the more you'll actually use it.
21 tools rated above 6/10
Lovable
lovable.dev
Full-stack AI coding platform for building web apps from plain English. Generates React frontends with Tailwind CSS, connects to Supabase backends, handles auth, databases, and deployment. Reached $200M ARR and $6.6B valuation in December 2025 with 500K+ users. Community consensus: fastest path to an MVP, but credit costs are unpredictable and debugging loops can be brutal.
Antigravity
antigravity.google
Google Antigravity is an agentic IDE built on a forked VS Code that lets AI agents autonomously plan, write code, run the terminal, and test in a browser with minimal hand-holding. It pairs with Google Stitch (their text-to-UI design tool) to form a full design-to-code pipeline. Available free in public preview with generous Gemini 3 Pro limits; also supports Claude and OpenAI models.
Ceros Flex
ceros.com/flex
Ceros Flex is the next-generation version of Ceros's no-code interactive content platform, rebuilt in HTML5 for speed and WCAG 2.2 compliance. Marketers and creative teams use it to build animated, interactive web experiences — editorial microsites, campaign pages, branded content — without writing code. AI handles repetitive tasks like resizing layouts and accessibility checks. Named after Flexbox, which powers its responsive layout engine.
Claude Code
claude.ai/claude-code
Anthropic's official agentic coding CLI — lives in your terminal, reads entire codebases, and executes multi-step tasks autonomously. Surpassed $1B ARR within months of general availability. Multi-agent Code Review ships as a cloud feature that catches bugs before human reviewers see them. The tool Anthropic itself uses for ~60% of internal development work.
FlutterFlow
flutterflow.io
FlutterFlow is a visual development platform built on Flutter that lets you build cross-platform mobile, web, and desktop apps with a drag-and-drop editor and export clean Dart code. It has native Firebase and Supabase integration, a visual logic builder for app behaviour, and Figma import for design systems. Best for MVPs and medium-complexity apps; the exported code quality draws criticism for production use, and advanced features require development experience.
Glaze
www.glaze.app
Create native Mac desktop apps by describing what you want in plain language. Glaze builds local-first apps with full OS integration — file system access, keyboard shortcuts, menu bar — no code required.
Magic Patterns
www.magicpatterns.com
Magic Patterns is a YC-backed AI prototyping tool that generates React and Tailwind components tuned to your existing design system — upload your brand tokens, component library, or Figma file and it generates on-brand UI rather than generic output. It's aimed at product teams iterating on an existing product, not starting from scratch; for that reason it competes more with internal prototyping workflows than with tools like Lovable or Bolt.
Subframe
subframe.com
Subframe is a code-first UI builder where every layer maps directly to React and Tailwind components — no mockup-to-code translation gap. It ships 200+ pre-built components, design system support, and clean code export you actually own. A standout feature is MCP integration with Cursor and Claude Code, letting developers prompt new designs from their IDE. Aimed at backend-heavy teams that need to ship quality UI without a dedicated designer.
Supernova
supernova.io
Supernova is a design system platform that turns Figma files, tokens, Storybook stories, and code libraries into living documentation. Teams use it to publish guidelines, sync components automatically from Figma, and give developers live access to React/Vue/Angular components with code export. Recent additions include Portal (a fast-search companion to docs) and Relay, an MCP server for AI agent access to your design system.
v0
v0.app
Vercel's AI UI generator for React/Next.js — turns prompts, screenshots, and Figma exports into clean, production-ready components using Tailwind CSS and shadcn/ui. Rebranded to v0.app in January 2026 with full-stack sandbox, Git integration, and database connectors. Over 6 million developers on platform. Best understood as a frontend scaffolding tool, not a complete app builder.
Visily
www.visily.ai
Visily is an AI-powered wireframing and UI design tool built explicitly for non-designers — product managers, analysts, and founders who need to get ideas into visual form fast. It handles text-to-design, screenshot-to-design, and sketch-to-design input methods, lets you toggle between low and high fidelity on the same canvas, and exports to Figma. At $11/month (annual), it's competitive on price and offers the full AI feature set even on the free tier.
Blueberry
meetblueberry.com
Blueberry is a Mac workspace that combines a code editor, terminal, browser preview, and canvas in one window, with a built-in MCP server so your AI always has full context: open files, browser preview, terminal output, and pinned apps like Figma, GitHub, Linear, and PostHog. It adds flow mode, tiling layouts, and ambient music for focus. A complete rethink of the dev environment for people building software products.
Bolt.new
bolt.new
Browser-based AI coding platform powered by StackBlitz's WebContainer technology — a full Node.js environment running entirely in the browser via WebAssembly. Describe an app, and Bolt generates, runs, edits, and deploys it without local setup. Went from $80K to $40M ARR in five months; Bolt V2 adds cloud databases, auth, and edge functions. Powered by Claude.
Builder.io
www.builder.io
Builder.io combines an AI-powered visual editor, headless CMS, and Figma-to-code pipeline in one platform — aimed at teams where marketing needs to update content and developers need to ship features without constant handoff. Its Visual Copilot converts Figma designs to production code claiming 80% faster delivery, and the drag-and-drop editor lets non-technical editors manage content without touching code. Used by Everlane and J.Crew; competes with Contentful and Plasmic.
Create.xyz / Anything
www.create.xyz
Create (formerly Create.xyz, now rebranded as Anything) is a prompt-to-app builder that turns plain English into working websites, micro-tools, and mobile apps with instant hosting. It's built for speed and low friction — a working prototype in minutes, no code required. Best for solo founders and non-technical creators validating ideas; not suitable for production apps that need auth, security, or scalable infrastructure.
Cursor
cursor.com
The leading AI-native IDE — a VS Code fork rebuilt around deep codebase understanding. Composer mode makes coordinated multi-file edits that Copilot can't match; Background Agents work while you focus on other tasks. Reached $2B ARR and $29B valuation by early 2026. The reference tool for serious AI-assisted development despite $20/month pricing and a controversial mid-2025 billing change.
Dessn
dessn.ai
Dessn lets product teams design directly in their production codebase without opening an IDE. Give it read access to your repo and it extracts your design language — components, tokens, typography — then builds a design environment your whole team can use for prototyping and handoff. The result is developer-ready code from day one because designs are made in the actual production context.
Framer
www.framer.com
Design-to-production platform for modern websites — part Figma, part Webflow. AI generates complete page layouts from prompts, with strong animation controls, CMS, and one-click publishing. Raised $100M Series D at $2B valuation in August 2025. Best for design-forward landing pages and portfolios; less suited to large content-heavy sites.
Protopie
www.protopie.io
ProtoPie is the go-to tool for high-fidelity interactive prototypes that go beyond what Figma can do — it handles conditional logic, variables, sensor inputs (gyroscope, touch, voice), and cross-device communication without any code. Used by Google, Meta, BMW, and Samsung for complex interaction design including automotive and IoT. It's not a design tool, so you build visuals in Figma first and import; the steep learning curve and $79/month Pro price make it overkill for simple web prototypes.
Replit
replit.com
Cloud-based development platform centered on AI Agent 3, which works autonomously for up to 200 minutes — testing its own code, spawning subagents, and connecting to 30+ services including Stripe, Figma, and Salesforce. Raised $250M at $3B valuation in January 2026. Best for rapid prototyping and solo builders; cost can spiral on heavy usage.
Rive
rive.app
Rive is a real-time interactive animation tool that lets you design state-machine-driven animations and ship them natively to web, iOS, Android, Flutter, and game engines via lightweight .riv files. Unlike Lottie, animations respond to user input and runtime variables without extra code. Used by Spotify Wrapped, Duolingo, and apps reaching 2 billion users.