Gas prices are soaring with the summer heat, making drivers even more alert for the lowest possible prices. Fortunately, a number of apps can help drivers hunt down the lowest rates, as PC Mike Wendland reports. GasBuddy is consistently a top choice for many looking for the lowest price for gas. It is easy to use and navigate. Simply search by zip code, city or state. The huge number of users contribute by updating prices regularly, meaning the app is almost always up-to-date. One unique feature of GasBuddy is its so-called “Gas Price Heat Map” that shows gas price per gallon across the United States and Canada. The app is…