| What it does | Visual design tool for creating interactive, working iOS app designs
| A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
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| Stage | Not given
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| Founded | Not given
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| Based in | KR
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: $0 forever, includes all drawing tools, unlimited sketches in one folder, copy to clipboard as PNG, and auto-save with local-first storage. Pro: coming soon.
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| Key features | - Live API integration with OpenAPI and Swagger spec import
- Data binding—bind data model fields to UI, changes propagate instantly
- Native UIKit components—Auto Layout, stacks, lists, tabs
- Camera with 38 chainable filter effects
- Device services—timer, battery, connectivity monitoring
- Media and animation—Lottie animations, video, audio
- Design system with color and typography tokens
- Data Transformer for visual node-based API response mapping
| - Instant copy-to-clipboard as PNG
- No accounts or setup required
- Local-first storage with auto-save
- Screenshot annotation with arrows, boxes, text, and freehand tools
- AI diagram generation via Claude, Cursor, Windsurf, and VS Code
- Refine diagrams through chat
- Paste screenshot from clipboard
- Unlimited sketches in one folder
- Native macOS performance
- All drawing tools included in free version
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| What makes it different | - Design and run real apps on device, not clickable mockups
- No PC required—design on your iPhone, iPad, or Mac
- Import APIs and bind live responses instantly without coding
- No build step or deployment—runs instantly on all Apple devices
- Replace mockups and eliminate designer-developer handoff
| - Zero-friction design: open, draw, and share in seconds with no setup or accounts
- Local-first architecture: all sketches stay on your Mac, nothing leaves unless you ask
- AI integration runs through your own subscription with no proxying of prompts
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 19 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 22 | 24 |
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| Referring domains (Majestic) | 90 | 46 |
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Layerz
Chalk