From June 6th, 2015 to May 8th, 2016, 50% user give 2-star rating, 50% user give 1-star rating. for Price Rounder chrome extension.
Doesn't work at all for me, even when clicking on the icon, though I prefer an always on option.
Doesn't work on many sites and easily glitches out. Has a background on it, when it should be transparent to the background. Due to the background added to the new price, it pushes other text away.