Depends on personal preference. Some people like anime more than manga and some like manga more than the anime. To make this as simple as possible I added the difinitions of the two words from Wikipedia.
Manga - Wikipedia, the free encyclopediaOriginally Posted by Wikipedia
Anime - Wikipedia, the free encyclopediaOriginally Posted by Wikipedia
In short anime and mangas are different. One is moving animation and the other is printed comics. But they are related. Sometimes mangas are turned into anime and vice versa. That depends on the popularity of the series.