Is ECMO like dialysis?

I understand that ECMO and dialysis are both medical procedures used to support patients with severe health conditions, but could you clarify if they are similar in nature? ECMO, or extracorporeal membrane oxygenation, is often used to provide oxygen to the body when the lungs are unable to do so on their own. On the other hand, dialysis is a process that filters and removes waste products and excess water from the blood when the kidneys are not functioning properly. Are there any key similarities or differences between these two procedures that patients and their families should be aware of?