Refactoring UI is a popular resource for designers and developers looking to enhance their UI design skills. Whether it’s a good investment for you depends on a few factors. Firstly, consider your current proficiency in UI design and how much value you’d derive from a structured resource. If you’re an individual lacking in design knowledge but involved in web or app development, Refactoring UI might bridge that gap and prove invaluable.

The book is praised for its practical advice and actionable tips that are easy to implement, which could significantly improve your projects’ visual aesthetics and user experience. Additionally, it comes with supplementary materials like component visual guides and interface design demos, adding more value to your purchase.

On the other hand, if you’re an experienced designer or prefer learning from free resources available online, you may not find the investment justifiable. For professionals who will directly apply these insights in projects, the one-time cost could quickly pay off in improved efficiency and quality of work.

In summary, Refactoring UI can be a worthwhile investment for developers and non-designers looking to bolster their UI skills, but it’s less critical for seasoned designers who already have a solid grasp of interface aesthetics and principles.