In Terms of Building your Web Applications...JSP will be much more simpler
that Servlets.

JSP - java  embeded in HTML Code.

Servlets - HTML embeded in Java Code

Anway ultimately JSP will also be converted into Servlet by the container.

In Case of Controlling / Managing your end user Servlets will be deftly.
better than JSP.

In MVC...

M - Model - javabeans & DB
V - View - JSP
Controller - Sevlet