But for 4K UHD entertainment, Blu-ray discs proved to be the optimal storage standard because of their large storage size (nearly 5 times the size of a DVD) and better image quality. Subsequently, CDs or compact discs were overcome by DVDs because of their larger storage. When actually nobody cared about the video quality, compact discs were used. Blu-ray is the latest storage standard for high definition entertainment. Want the best Blu ray player software to watch your Blu-ray movies with better video quality? What is the best free Blu ray player software? First of all, let’s face reality.