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.
Free: $0/month (100 sessions per month, 2 live prototypes, 30 days history); Solo: $12/month with 12-month commitment ($14 standard monthly, $12 annually saves $24/year, 500 sessions per month, 5 live prototypes, 3 months history); Pro: $24/month with 12-month commitment ($29 standard monthly, $24 a
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
Flow: visualize user paths screen by screen
Heatmaps: see where users click on every screen
Sessions: detailed user journey records
Target paths: track conversion through key steps
A/B testing: split users between two prototype versions
Compare: side-by-side analysis of versions or audiences
Audiences: segment sessions by link source or QR codes
Figma plugin: one-click publishing from Figma
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
No code required from users: open link and use prototype as usual
Privacy-focused: no names, emails or IP addresses stored
All features available in every plan, including free
Instant publishing: frozen prototype version goes live immediately
visualOS
DASHUND