Also, the BringGo app does not actually cost 99 cents--that's for a 30-day trial. The full app costs about $50, and there's a version for $60 that includes two free map updates.
There isn't any other way to get navigation features in the Sonic. Still, adding nav in most cars is usually an upgrade that can cost a few hundred or even a few thousand dollars more.
Is there a future in bring-your-own-apps for budget cars? Sure, if you're willing to put up with a few foibles, like having to run the app first, and minor slowdowns. Cheaper isn't better--but it sure is cheaper!
Sign up for CIO Asia eNewsletters.