(And I’m not talking about the Swiffer Sweeper, which is not a spray mop and is not a product we recommend at Wirecutter.) The Swiffer WetJet spray mop (left) has been around for decades.

the best robot vacuums and mops are armed with more mechanics attempting to mimic the elbow grease that a human with a mop or Swiffer would provide, like pressurized and/or spinning mopping pads ...