IRVINE, CA - Kelley Blue Book, a provider of new- and used-car information, announced the official launch of its premier app for Windows Phone 7.

The free, interactive app provides Windows Phone 7 users with crucial car-buying and -selling information to help make confident purchase decisions.

With's app, users gain access to trusted Kelley Blue Book Values and crucial information to use in negotiations for vehicle transactions, wherever they may be. Windows Phone 7 users will find both new- and used-car Kelley Blue Book Values, including MSRP, Invoice, Fair Purchase Price, Certified Pre-Owned, Suggested Retail, Private Party, and Trade-In Values.

In addition to Kelley Blue Book Values, users also can find a local dealer with detailed maps and directions. The availability of 360-degree photos of potential new cars and instant access to new-car video reviews from the expert editors of Kelley Blue Book's provides shoppers with all the information they need at their fingertips. The app provides a myriad of free information for on-the-go car shoppers, including Twitter feeds for and various car manufacturers, giving shoppers insight into the latest automobile information from Kelley Blue Book's team of experts and enthusiasts, along with the rest of the automotive Twitter community.

"When Microsoft gave us the opportunity to create an app for the all-new Windows Phone 7 platform, it was a no-brainer. We were honored to be chosen as a premier app by Microsoft for this project," said Justin Yaros, executive vice president of product design and development for Kelley Blue Book's "Kelley Blue Book is proactive in providing shoppers the information they need to help lessen the car-buying headache. Having trusted Kelley Blue Book Values, reviews, and dealer locator information readily available on Windows Phone 7 gives consumers the insight they need from any location."

"Windows Phone 7 is a fresh start for Microsoft in the smartphone market, and we wanted to include a number of valuable apps in the Marketplace hub with its launch," said Todd Brix, senior director, Windows Phone Marketplace at Microsoft. "'s easy-to-use app fit well with our strategy, and benefits mobile car buyers with a plethora of essential automotive information."

To download the latest app, visit the Windows Phone Marketplace via any Windows Phone.

Kelley Blue Book's also offers a mobile-optimized website for non-Windows Phone 7 users. To access the optimized site, visit on a mobile device to be automatically redirected. For more information about the app and other mobile offerings from Kelley Blue Book's, visit