Sleek is an AI tool that generates mobile app mockups for iOS and Android. Users describe an app idea in plain text or upload a reference image, and Sleek produces complete screens including layout, components, copy, and styling.
Generated designs follow mobile conventions: iOS Human Interface Guidelines, Material Design, native navigation patterns, accurate device dimensions, and tap-target sizing. Screens can be edited visually after generation or refined further by chatting with the AI.
Exports include:
- Figma, where designs paste in as native, editable layers without a plugin
- HTML
- React with Tailwind CSS
Sleek includes a template library covering common app categories such as fintech, social, e-commerce, productivity, wellness, and AI tools. It also integrates with Claude Code through an agent skill, letting developers generate designs directly from their coding workflow.
Typical users include founders, product managers, marketers, and developers who need mockups without spending hours in Figma, as well as designers who use Sleek to produce a high-fidelity first draft before refining manually.