Ancestry is described as 'Access billions of historical records, census data, and DNA analysis to build, research, and collaborate on family trees. Includes photographs and user-contributed information' and is a Genealogy tool in the home & family category. There are more than 25 alternatives to Ancestry for a variety of platforms, including Windows, Web-based, Mac, Android and iPhone apps. The best Ancestry alternative is Gramps, which is both free and Open Source. Other great apps like Ancestry are FamilySearch.org, WikiTree, MyHeritage and 23andMe.