--- title: "One app. Three ways to reach someone · Privatta" description: "At the office, across the internet, or with no internet at all: Privatta works out the route by itself." url: "https://royalsoftworks.com/products/privatta/how-it-works/three-ways/" source: "https://royalsoftworks.com" format: "markdown" note: "Markdown rendering of the HTML page at `url`. Same content, same canonical URL." --- How it works · 1 of 2 # One app. Three ways to reach someone. At the office, across the internet, or with no internet at all: Privatta works out the route by itself. Anywhere ## One app. Three ways to reach someone. On your office network 01 Across the internet 02 Completely offline 03 ### On your office network On a shared network, Privatta spots the other computers running it automatically. Transfers are instant and never touch the internet. On mobile, scan a QR code shown on the desktop app to pair instantly — no typing an address, no account. An active scan of the local network finds other machines. No router config, no port forwarding. QR pairing works from the Android companion app; iOS is in development. [Previous How it works: all 2 pages](https://royalsoftworks.com/products/privatta/how-it-works/) [Next From dragging it in to it landing there.](https://royalsoftworks.com/products/privatta/how-it-works/step-by-step/) [All of Privatta how it works](https://royalsoftworks.com/products/privatta/how-it-works/)