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Which? tests a mapless sat nav

Trafficmaster relies on arrows to direct you

Our latest test of sat navs includes a sat nav which does not display maps. The Trafficmaster Companion app instead relies on a small diagram, depicting the next junction; distance markers and arrows to help you reach your destination.  

See how the Trafficmaster performed in our full lab tests.

Garmin Zumo 220

The Garmin Zumo 220 – suitable for cars and motorbikes

Another model in this batch of testing is the Garmin Zumo 220. Designed for motorcyclists, the Garmin Zumo 220 features  a special attachment which fits onto the bike’s handlebars and a bluetooth connection for a wireless headset. 

We also tested similar models from Foehn & Hirsch and Mio.


In addition to the Trafficmaster Companion, we tested two more apps for the Apple iPhone 4 and one app for Android phones such as the HTC Desire HD. Sat nav apps are now very popular, with more and more becoming available each year.

Sat nav expert, Jack Turner, said: ‘The market for sat nav apps has blown up over the last couple of years, challenging the reign of dedicated devices. With these apps becoming more refined with each incarnation, sat nav manufacturers will need to keep their eye on the competition to ensure they don’t get over taken.’

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