pen.dev vs UiWize
pen.dev
pen.devUiWize
uiwize.comSide by side
| Figure | pen.dev | UiWize |
|---|---|---|
| Price from | $16/mo | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | — |
| Plans published | 4 | 1 |
| Spec score · AI UI Design Generators | 8.9 (#3) | 7.0 (#21) |
| Privacy | The privacy policy says text-based AI inputs and outputs using a user's own provider credentials go directly from the device to that provider and do not pass through High Agency servers. | UiWize says it does not use submitted prompts or answers to train AI models and does not sell personal information. |
| What it does | pen.dev is an AI-assisted design editor where agents create or modify vector designs on a canvas and users can export the result to code. | UiWize turns a product idea into UI screen designs and a clickable prototype for desktop and mobile. |
Plans
In their own words
pen.dev
pen.dev is a canvas for building software and a vector design tool integrated with development environments. Its editor works with components, variables, themes, scripts and shaders, and can import Figma files and HTML. It can export to HTML, CSS and Tailwind, as well as PNG, JPEG, WEBP and PDF. Users can work with its integrated agent or connect external agents through MCP; the available plans specify how many agents can run in parallel. Documented integrations include Claude Code, Codex, Gemini CLI, Antigravity, OpenCode, Kiro and Claude Desktop. Integrated provider options include OpenAI, Anthropic, Google Gemini, Cursor, GitHub Copilot, xAI, OpenRouter and other API-key providers. Its.pen design file is open JSON with an open schema. Tools include a Chrome extension for importing webpages, IDE extensions and an npm-installed CLI requiring Node.js 22.19 or later. The pricing page says pen.dev stays free until plans launch. The Free plan is free; Pro is $16 a month; Ultra is $48 a month.