Same art with different focus. Judo typically emphasizes the clinch game and throws a bit more than groundwork. Both the clinch and groundwork are very important to learn. I would suggest going to one school at a time, just choose the one you like better to start with.
"In case you ever wondered what it's like to be knocked out, it's like waking up from a nightmare only to discover it wasn't a dream." -Forrest Griffin