Yes, there are two main types of motors. The choices are brushless or brushed. Brushed motors tend to not be very powerful and are more economical. They are best for beginner boats. Brushless motors tend to be more expensive and powerful. They are used by those with more experience since they can be more difficult to control.
The motors of these featured boats are not categorized into these types. They are just basic designs that are simple to use for children.