Kelley Blue Book is described as 'Founded in 1926, Kelley Blue Book, The Trusted Resource®, is the only vehicle valuation and information source trusted and relied upon by both consumers and the industry. Each week the company provides the most market-reflective values in the industry on its top-rated' and is an app. There are more than 10 alternatives to Kelley Blue Book for a variety of platforms, including Web-based, Android, iPhone, iPad and Android Tablet apps. The best Kelley Blue Book alternative is LubeLogger, which is both free and Open Source. Other great apps like Kelley Blue Book are EpicVin, AutoScout24, Avollo and Cars.com.