Journalists of the British edition of PC Pro conducted
field tests of four satellite navigation systems, including free development of Google Maps (on Acer Liquid smartphone) and Nokia Ovi Maps (Nokia N97), commercial GPS navigator TomTom Go 950 Live (one of the best in its class). ) and paid program CoPilot 8 for iPhone.

To compare the test results, PC Pro Editor traveled the same route with paper maps.
Testing conditions were simple: each driver received one navigator and had to get to the final point of the route, following his instructions. The route consisted of four sections:
countryside ,
off-road ,
from city to city and
traffic jam .
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The final result looks like this:
1. Google Maps - 154 min
2. TomTom - 187 min
3. CoPilot for iPhone - 190 min
4. Nokia Ovi Maps - 215 min
5. Paper cards - 237 min