Most helpful positive review
4 of 4 people found the following review helpful
Excellent training aid with V800 watch. Absolutely worth the price.
on 22 January 2015
I purchased this as an add on to go with my newly acquired V800 watch and am very pleased with it. A little stab of fear when the packaging said 'compatible with iphone' (or something like that) but never fear, setup with the watch was trivially easy and took but seconds.
In use it opens up new options on the V800 and provides MUCH better view of pace as you run - immediate feedback and no erroneous readings due to GPS errors from tall buildings or whatever. (Incidentally, in contrast to what you may read elsewhere, the V800 allows you to choose whether to use the stride sensor or GPS for speed info). I imagine the same would be true for any user running with an iphone instead of a watch as their training computer.
Accuracy wise, it did take a little bit more calibration to bed in than I expected but this can be done both automatically via the GPS and manually. Different calibration settings can be stored by sport eg treadmill running, road running, etc. which I thought is pretty good and helps to optimize accuracy (on the V800).