Browser: Free. Native app for iPhone, iPad and Mac: €14.99/$12.99 at launch (regular €19.99/$19.99), one-time purchase across all three devices, no subscription.
Not given
Key features
Fully offline with no server required
Real folders on disk and Markdown files
Automatic version history with restore
Sync via user's own cloud folder (iCloud, Dropbox)
Nested folders to any depth
Freehand drawing with pen and color
Magnetic arrows for connecting elements
Full-text search across all folders
Interactive to-do lists on canvas
Conversational editing by describing changes in natural language
Matching sets creation from single artwork
Editable layers for text, graphics and vectors
Live 3D preview
Automatic cut line generation
Production-ready file export
Adobe Illustrator integration
Gallery for publishing reusable templates
Windows desktop app
Bleed and crease layer management
What makes it different
No account or server: your data never leaves your device
Real files you own: folders are real folders, documents are Markdown files
Works fully offline with no internet dependency
Automatic sync through your own cloud (iCloud or Dropbox)
Native apps for iPhone, iPad and Mac showing full canvas
Natural language design editing that changes only specified parts while preserving overall vision
Real-time 3D preview for immediate production visualization
Automatic production file preparation with cut lines and print specs
Seamless Adobe Illustrator integration for continued editing
Gallery monetization model for creators to earn from template reuse
visualOS
UseIt Studio