The answer to this question is a matter of personal preference. However, it is worth to note that both types are nutritious, and their major difference is the moisture content. This means that wet food is a great plus for cats with kidney problems or those with lower urinary tract disease since it helps in hydrating and diluting the urine. Also, note that dry food is cheaper and easy to store than wet food. Therefore, you should pay attention to that before making a decision.