#109 - Pokéwalker Accuracy

In May 2011, the University of Iowa did a study that tested the accuracy of step-counting devices. According to its results, the Pokéwalker that came bundled with Pokémon HG/SS had a higher accuracy than most popular pedometers worth over fourty dollars.

SOURCE: https://archive.news.iastate.edu/news/2011/apr/pokewalker