Sat navs: Compare features & prices Navv iPhone 4 review http://www.which.co.uk/technology/computing/reviews/sat-navs/navv-iphone-4/review/
The Navv sat nav app for Apple's iPhone 4 offers turn-by-turn navigation with comprehensive maps for the UK and Ireland. The twists and turns of our exacting road test set out to check the capability of this sat nav app and find out if it is worth downloading.
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