Robot vacuums with mopping capabilities have advanced, offering improved floor cleaning with less effort. Newer models feature vibrating or oscillating mop pads, and some even have roller mops, a significant upgrade from earlier models that simply dragged a microfiber pad. These "combo" robots are designed to scrub floors effectively, removing more dirt than previous versions. Most models also have an onboard water tank to maintain the cleaning process. While not a complete replacement for manual cleaning, these robots can significantly reduce the effort required to maintain clean floors when used regularly.