COMMUTING
Waze
iPhone, Android, Blackberry
Free
At a dead stop in traffic? Try Waze, a social-media based traffic-tracking/GPS app that alerts you to conditions on the road ahead, approximates drive times and suggests alternative routes. Users can also report their experiences along the road. (For safety, Waze typing functions will not work when your car is in motion.)
GAS PRICE APPS
GasBuddy
iPhone, Android, Blackberry
Free
Search by city, state or zip code or enable the GPS locator on your phone and Gas Buddy automatically selects gas stations and compares prices for regular, midgrade, premium and diesel fuel nearest you. The app also tells you when the prices were last reported so you know how up-to-date the quotes are.
TRACK CAR MILEAGE/MAINTENANCE/REPAIR
Car Care
iPhone
$2.99
Track gas mileage, car maintenance and more for multiple cars from your iPhone You can also set reminders for oil changes, tire pressure checks and even when to wax your car.
Car Minder Plus
iPhone, iTouch, iPad (need IOS 4.0 or higher)
$2.99
This premium car info tracker has beautiful charts and graphs, and like Car Care allows you to chart multiple vehicles and email reports.
My Cars
Android
Free
Similar to Car Minder Plus and Care Care for iPhone only it’s free. Chart your mileage, while tracking and controlling all your car expenses.
Mileage
Android
Free
One of the best free basic fuel economy/mileage tracker apps available.
Carango and Carango Pro
Android
Basic version – free, Pro version – $1.45
Another well-regarded app to track mileage, fuel consumption, car repair history, set reminders, etc. The pro version allows you to import and export data (as a csv file,) that is handy for people who track mileage and expenses for business.