Smart and Fit for Kidney Transplantation

This study is testing whether a smartphone-based program combining exercise, nutrition coaching, and psychological support can help kidney dialysis patients get healthier and better prepared for a kidney transplant. **You may be eligible if...** - You are currently on dialysis (kidney dialysis) - You are 18 years old or older - You own a smartphone - You are willing to participate in an inpatient rehabilitation program during the study period **You may NOT be eligible if...** - You are physically or mentally unable to participate in exercise, nutrition, or psychological support programs - You have already participated in a similar program Talk to your doctor to see if this trial is right for you.