pen.dev vs ZipMock
pen.dev
pen.devZipMock
zipmock.comSide by side
| Figure | pen.dev | ZipMock |
|---|---|---|
| Price from | $16/mo | ₹199/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | — |
| Plans published | 4 | 3 |
| Spec score · AI Wireframe Generators | 9.0 (#7) | 7.5 (#32) |
| Founder | The Speedrun profile identifies Tom Krcha as founder and CEO and says he previously worked on Around and co-founded Alter. | ZipMock’s blog identifies Akhyansh Mohapatra as its founder. |
| Product | pen.dev describes itself as an agentic canvas for building software and a vector design tool integrated with development environments. | ZipMock turns a text prompt into a wireframe, mockup, or UI design and generates HTML and CSS. |
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.