Be warned however that occasionally you may find that some family records suddenly disappear from these online databases. They also provide rich information such as major events in your ancestors lives, the percentage of your blood origins from different countries, migration reports etc.
The LDS Church are more commonly known as Mormons and the reason they maintain such detailed records is because genealogical research is extremely important to Mormons in maintaining their faith and blood lines. FamilySearch is the largest genealogy database in the world and is owned by The Church of Jesus Christ of Latter Day Saints but is completely free to use.
is extremely powerful and has access to over 20 billion historical records, although it has more data for European users than those in the USA. There are now powerful online ancestry databases such as FamilySearch and Heredis which can help build your family tree far quicker than having to research things yourself.
Before choosing which app is best for you, there are some important things to be aware of to choose the best genealogy software for your needs.