A must-have for thrifty motorists, this app uses your smartphone's GPS to find your location and then spits out a list of nearby gas stations, which you can sort by distance or fuel price. A handy map view marks each station's locale with a pushpin.
WIRED Choose from regular, midgrade, premium, or diesel fuels. Weekly chances to win a $250 gas card for submitting reports.
TIRED Relies mostly on user updates, so pricing can be inaccurate, incomplete, or both.