what3words is an easy way to identify precise locations. Every 3m square has been given a unique combination of three words: a what3words address. Now you can find, share and navigate to precise locations using three simple words.

Use what3words to:
- Help emergency services know exactly where to find you
- Plan exact meet-up locations
- Tell car breakdown services where you are
- Navigate to any destination easily
- Save your favourite memorable spots – a viewpoint, waterfall or proposal location
- Save key work locations, from incident reporting to delivery entrances
- Help people find your business or Airbnb
- Guide people to accessible entrances.

what3words addresses are accepted by over 80% of UK emergency services as well as the AA, and many UK delivery companies. Businesses and hotels display what3words on their contact pages, and booking confirmations – anywhere you would normally find location information.

Popular features:
- Find your current what3words address offline
- Compatible with navigation apps including Apple Maps and Google Maps
- Save your favourite locations and categorise them into lists
- AutoSuggest prompts you with intelligent suggestions
- Available in over 40 languages
- Navigate offline with compass mode
- Add a what3words address to a photo

If you experience any problems or have any questions, email us at

What’s New

Version 4.7.3

- Performance improvements
- Switch to map view directly from a list
- Photo mode has been moved to a new home under the app menu

Ratings and Reviews

4.8 out of 5
62.4K Ratings

62.4K Ratings

domrevans ,

I’m an emergency services worker, and this is fantastic

I’m an emergency services worker in the UK. I’m on a team covering a very large rural area, and this is incredibly helpful. Not only is it a slick app, but the concept behind it is a real game changer. Our control room use it when people call for help, and we use it to help each other reach locations. The ambulance service in our area also use it. I urge everyone, especially those in rural areas, at least find out what the 3 words are for their home location and write it down and keep it near your phone because postcodes and maps are wrong more often than people would think. But also have the app installed if they break down in the middle of nowhere. Sure there are other ways, like GPS coordinates and OS map refs, but they are not easy to memorise and this simplifies things for people in a stressful crisis. Top tip - there will be a few sets of words near you (each 3M squares), so choose ones that are easy to communicate without ambiguity, for example avoid words that sound the same but have different spellings (lead, led, etc) or can be tricky to spell. Stay safe.

Developer Response ,

Thanks for the great review Dom! Fantastic to hear what3words is proving a helpful tool for you and your team 🙌

IanBrown1 ,

Why has this not been thought of before? It’s so simple it’s laughable

Why struggle to remember the address of where you are going, especially when it’s Postcode covers several buildings that don’t have a number on.

Have you ever had to look for an address that you discover doesn’t have its number on & can’t be seen from outside? I have pulled my hair out at times when trying to find “the cottage” or “XYZ Limited’s” building that doesn’t have its name on? What3Words has been the answer to my prayers!

Same goes for going on holiday where “Sol Mare”, last September I went on holiday to Greece, the coach couldn’t get to the hotel directly due to it being half a mile up a track. So we were dropped off on the main road. Walking up the track on each side we found dozens of places, none of which we could read the Greek name. Fortunately the owner had given the What3Word address. This led us straight to the front door, yet several other travellers on our coach were still looking for their place by the time we were sitting on our balcony.

What3Word is my Company’s addressing system now. We have cut out days of lost time since September 2018- March 2019 in lost man-hours looking for customers addresses.

It even works in my Mercedes too. Just put in the three word address and the car’s Satnav delivers me to the door.

fil3332 ,

Game Changer for hikers

I seen this a while back on App Store and as I hike regularly with the dogs I thought ok so downloaded hoped I never had to use it or so I thought ! Recently whilst hiking I came across someone who was ill equipped for the weather ( ice ) ie no equipment for winter walking this man had fallen & hurt ankle really bad turned out after looking ( EFR AED 1st responder first aid trained ) it was broken He had been in -15c windchill for 2 hours, I walk regularly I had recently changed mobile network for best coverage on hills + spare mobile on different network & managed to get a call out to emergency services I used what3words to give my exact location & the man was rescued from the hills I hope I never have to use again but I feel safer knowing I have it this it will save lives !! FACT !! Please if you walk , climb or just anyone download this it could save a life

Developer Response ,

Thanks for sharing your story! We're so relieved you were able to use what3words to give the emergency services your precise location 🙌

App Privacy

The developer, what3words Ltd., has indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Location
  • Identifiers
  • Usage Data

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Search History
  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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