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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

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✓ verifiedFreemium

Open-source AI coding assistant offering autocomplete and chat in IDEs; the company was acquired by Cursor.

775K visits/mo
MarsCode logo
MarsCode
✓ verifiedFree

AI-powered IDE with code completion, generation, explanation and debugging, plus a cloud dev environment, for developers.

69K visits/mo
CSS Picker logo
CSS Picker
✓ verifiedFreemium

Browser extension and AI generator that copies CSS from any site and turns designs or screenshots into code.

30K visits/mo
Google Opal logo
Google Opal
✓ verifiedFree

Google Labs experiment for building and sharing AI mini-apps from natural-language prompts, no coding required.

2.1M visits/mo

No-code AI builder that turns prompts into full-stack iOS, Android and web apps with a managed backend and Stripe payments.

394K visits/mo54K saves
Pricing

No public pricing

No public pricing

Free: $0 (limited credits)
Monthly: $19.99/mo (unlimited generations)
Yearly: $89/yr
Lifetime: $150 one-time

No public pricing

Free: $0 (500 daily / 2,000 monthly credits)
Pro: $25/mo (up to 7,500 credits/mo)
Core features
  • Open-source AI code assistant
  • Customizable autocomplete
  • In-editor AI chat
  • Community-built coding agent
  • AI code completion and snippet generation
  • Natural-language code generation
  • Code explanation and AI Q&A
  • Automated bug detection and fixes
  • Zero-config cloud development environment
  • Project creation from templates or Git
  • Copy CSS/HTML from any website
  • Image and screenshot to code
  • AI React and HTML generators
  • Framework conversion (React, Tailwind, Vue)
  • Interactive editor with live preview
  • Free HTML-to-JSX and CSS-to-Tailwind tools
  • Build AI mini-apps from natural-language prompts
  • Visual editor for prompt/tool workflows
  • Share created apps with others
  • No-code AI app prototyping
  • AI app builder for iOS, Android and web
  • Managed backend via Supabase (DB, auth, storage)
  • Built-in Stripe payment integration
  • Agent mode with usage-based pricing
  • Mobile creator app for building on the go
  • GitHub export and code editor
Use cases
  • Get AI code completions while coding
  • Ask questions about code in the editor
  • Build on an open-source coding-agent foundation
  • Writing and completing code faster with AI
  • Onboarding to unfamiliar codebases
  • Debugging and optimizing code
  • Spinning up dev environments in the browser
  • Cloning UI elements from live sites
  • Turning mockups into code
  • Generating React components fast
  • Converting CSS to Tailwind
  • Prototyping an AI workflow quickly
  • Sharing a custom AI mini-app
  • Automating a task with chained prompts
  • Building an MVP without coding
  • Launching mobile apps quickly
  • Prototyping app ideas
  • Adding payments to a no-code app
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