There are also plenty of GPS apps that will make traveling by foot a cinch as well. Technically most
phones already come with built-in GPS apps. However, if you want to be able to choose something with features specific to your situation there are plenty of options.

Google Maps is one of the most popular options out there, but we also like Maps.ME, and CityMaps2Go (which can be used even without data access).

The GPS apps are an affordable way of getting around the Bay Area. Some of them are even free!