Designing an attractive UI is arguably subjective but the interface will be better if they have an attractive appearance. What is meant by interesting here is that your interface is interesting to use? Indeed, if you can make your UI simple, easy to use, efficient, and responsive, you already have a good UI. However, if you can also make it interesting, of course, it would be more fun to use, right? You will also make your customers more happy to use your website. You can design such an interesting UI easily if you hire a professional ui ux designer Brisbane.
Of course, what is considered interesting for your website or application also needs to be adjusted to your market and audience? So your appearance must be attractive according to your audience. But you also have to keep an eye on the functions of your website so that they continue to function properly.
You must always remember that if you wish that the user will want to revisit your website or reuse your software over and over again, making an interesting UI design can be necessary.