Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
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Maestro Studio Desktop Beta
✓ verifiedFreemium
Open-source framework for automated end-to-end UI testing of mobile and web apps, with a paid cloud for parallel device runs.
183K visits/mo
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Magic Patterns
✓ verifiedFreemium
AI prototyping tool that generates UI matching your design system, letting product teams test features fast.
242K visits/mo3.8K saves
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Builder.io
✓ verifiedFreemium
Visual development platform with AI design-to-code, a visual editor and headless CMS so teams and agents ship UI in real code.
806K visits/mo
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Stately
✓ verifiedFreemium
Visual state-machine editor (built on XState) that lets teams design app logic as diagrams and export runnable JS/TS code.
71K visits/mo
Pricing
Hobby: FREE
Plus: $19/month
Enterprise: Custom
Local: $0 (open source)
Cloud: $250/device/mo (parallel runs)
Free trial available
No public pricing
Free: $0 per user/mo (60 agent credits)
Pro: $24/user/mo (500 credits)
Team: $40/user/mo
Professional: $33/month (annual) or $39/month (monthly), 1,000 AI generations/month
Team: $167/month (annual) or $199/month (monthly), up to 10 members
Free trial available
Core features
- ✦AI-powered app generation
- ✦Text-to-code conversion
- ✦Full-stack Next.js app creation
- ✦Custom domain deployment
- ✦Automatic SSL certificate provisioning
- ✦Fork versions of your app
- ✦Human-readable YAML test flows
- ✦Local CLI and Studio testing for free
- ✦Open-source, CI-friendly design
- ✦Cloud device farm for parallel runs
- ✦AI-agent integration through MCP
- ✦Self-healing tests with local agents
- ✦AI UI generation from prompts
- ✦Match existing styling and design systems
- ✦Rapid, high-fidelity prototyping
- ✦Live team editing and sharing
- ✦Enterprise security and compliance
- ✦AI design-to-code (Figma to code)
- ✦Visual editor tied to your components
- ✦Headless/visual CMS
- ✦AI agents (Builder-Agent) that open PRs
- ✦Integrations: GitHub, GitLab, Bitbucket, Figma, VS Code
- ✦Roles, reviews and collaboration
- ✦Drag-and-drop visual state machine editor
- ✦Bidirectional code/diagram sync via XState
- ✦AI generation and modification of state machines
- ✦Auto-generated React app prototypes and tests
- ✦GitHub sync and Figma embedding
- ✦Live simulation and Stately Inspector for debugging
- ✦Version history and shareable diagrams
Use cases
- →Generating SaaS templates
- →Creating local business websites (e.g., restaurant templates)
- →Building blogs and news sites
- →Developing mobile app landing pages
- →Creating chatbots
- →Automate mobile app UI regression tests
- →Run tests in parallel across many devices
- →Integrate UI testing into CI pipelines
- →Let AI agents generate and run app tests
- →Prototype new product features
- →Test designs with customers
- →Build design-system-consistent mockups
- →Convert designs to production code
- →Let non-developers edit pages visually
- →Manage content with a headless CMS
- →Collaborate across design, PM and engineering
- →Frontend teams modeling complex UI flows
- →Backend teams documenting workflow logic
- →Teams wanting living, always-current documentation
- →Non-technical stakeholders reviewing app logic visually
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