Here we look at four of the best turn-by-turn navigation apps for Android and iOS devices. Unlike Google Maps, it’s not available for Android OS smartphones and other devices. Its features include a Look Around function for exploring cities in a 3D environment; real-time public transit data; and spoken turn-by-turn directions that rely on landmarks and objects instead of just street names. Download For: In combination with Google’s massive database of businesses and points-of-interest, Google Maps augments the standard GPS app with all the perks of a search engine. It’s got spoken-street-name directions, street view images, real-time traffic detection and avoidance, among other features. Google also sustains accurate and up-to-date walking, public transit, and bicycling directions, including bike lanes and bike-friendly roads.​ Users can contribute to Google Maps by adding new and missing roads, uploading photos, and writing reviews of local businesses. Google Maps comes free Android devices and may be downloaded for free from the Apple App Store. Download For: Unlike most apps, it provides reasons for traffic delays, as described by other drivers. This allows you to make better-informed decisions about the route you’re taking. Waze is also suited for socially-minded drivers who want to hear the thoughts of others as they travel. It has a nice feature that lets you automatically send real-time updates of your estimated time of arrival to friends via social media. Download For: The app is free, but you can remove the ads and add some more features with a $3.99 in-app purchase. Everything you should expect from a decent GPS app is available, including real-time traffic detection and avoidance, and the ability to automatically send an estimated time of arrival to friends and family. Download For: