Yes: the entire what3words’ system is very compact, and so it can work offline when you don't have a data connection. Our partner apps and services typically launch using the online version of our system, but offline support is now being included in more and more apps that use what3words - and of course our own apps work offline.

Offline maps is a slightly different matter: some of our partners (e.g. Navmii) have offline maps, whereas within the what3words app offline use is designed for use with compass mode.

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