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.
Pro: $3/mo after 7-day free trial (card required)
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
Static QR generator for URLs, text, WiFi, vCard, email, SMS
PNG and SVG downloads
Dynamic codes with scan analytics by day, country, and device class
Code Health Monitor alerts for broken destination URLs
Migrate deactivated competitor codes
One-click subscription cancellation
Customizable colors and optional logo
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
Static codes generated in your browser never route through servers and keep working forever after cancellation
Code Health Monitor checks if printed code destinations go down and emails you to fix the link without reprinting
Affordable pricing with no server-side kill switch on static codes after cancellation
visualOS
QR Promise