Before long, that portable GPS unit stashed in your car's glovebox might be a dinosaur. How come? GPS apps for mobile phones are beginning to proliferate, and the best ones are as useful as some standalone GPS units. Sometimes, it seems they're just as pricey, too.
Take, for instance, Navigon's MobileNavigator for iPhone (*Est. $90). Critics say it's the closest thing to a portable standalone GPS, with local map storage (as opposed to downloading them on the fly over the mobile network), text-to-speech (the app says the actual street names you're supposed to turn onto), lane assistance, and an intuitive overall setup. For an additional fee, you can add real-time traffic alerts, too. On the downside, 90 bucks isn't cheap by any means, and if you aren't an iPhone user, you're outta luck -- the Navigon app is currently exclusive to Apple's popular device. Users of other phones aren't without options, though. Read more