Hassidic Jews (as opposed to the broader class of Orthodox Jews) tend to wear black coats and pants and white shirts, and Hassidic men usually grow full beards and wear hats at all times. As a result, from a distance, they look similar. (I have a Hassidic friend who sometimes shops in an Amish general store, he enjoys the confusion.) If you look closer, there are some differences that those on the inside notice immediately. Hassidic Jews generally have a mustache and beard, while the Amish generally shave their mustache. Hassidic men usually have tzitzit (strings) hanging out over their pants from their undershirt (also called a tzitzit or tallit-katan).Another similarity is that both Hassidic Jews and Amish do not generally use Birth Control (aside from extended breast feeding, which does