what3words is a geocoding system dividing the world into 3-meter squares, each labeled with a unique three-word address.
what3words divides the entire globe into a grid of 3-by-3-meter squares.
Each grid square is assigned a unique, fixed combination of three dictionary words.
The company was founded in London and remains headquartered in the United Kingdom.
Several emergency services use what3words addresses to pinpoint precise incident locations.
The word-grid system has been translated into dozens of different languages.
what3words launched in 2013 to solve imprecise or missing street addressing.
The company licenses its addressing API to businesses and government agencies.
Several car navigation systems and delivery apps have integrated what3words addressing.
The system replaces long GPS coordinate strings with memorable short word combinations.
Yes, the what3words app and online map are generally free for individuals to use. People can find, save, and share precise three-word addresses without paying for a basic personal account.
Generally, yes — what3words offers paid business and API plans for organizations that need integrations, higher usage, or premium features. There is also a Pro option for enhanced features in the app and online map.
Promo codes are not usually a major part of what3words pricing. Businesses should focus on choosing the right API or Pro plan, while individuals can use the free app for basic location sharing.
Businesses can start with the free or lower-volume API plan if it fits their needs, then upgrade only when usage requires it. Annual billing or nonprofit/humanitarian arrangements may be worth checking if available.
what3words Pro is a premium tier that adds extra features for users who need more than the basic free app and map. The exact feature set and price should be checked on the official plan page.
Typically, yes — many businesses use what3words to help customers identify precise locations. API access may be needed for deeper integration into apps, booking forms, logistics tools, or customer service workflows.
The app may support some location functions depending on device settings and available maps, but users should test it before relying on it in remote areas. For emergency use, local service compatibility can also vary.
Not always. It is best treated as an extra location reference, especially for entrances, rural areas, parks, events, or places without clear street addresses.