The use of framework makes us facilitates WordPress plugin and theme development. One of the time-consuming part of developing WordPress plugins and themes is creating setting pages. As you more and more write plugins and themes, you will soon realize major part of code can be reused. The most framework plugins aim to provide reusable code that eliminates the necessity of writing repeated code over and over again. But in some case, you could meet some performance trouble for its complexity or bad code structure. Therefore you have to check on your needs and service purpose.