On iPhone
Open the site in Safari. Tap Share, then Add to Home Screen. You can then open Sunu Prix from its icon.
On Android
Open the site in Chrome. From the menu, choose Install app or Add to Home screen, depending on your phone.
What works offline
A page tells you when the network is unavailable. Recent data and private content are not stored offline. You still need a connection to search current prices, read new discussions, and contribute.
App Store and Google Play
This first version is an installable web app. Store versions may follow after testing and developer-account setup.