do method antibacterial cleaners kill bacteria on contact, or does the product have to sit on the surface for a while? Is this the same as for the traditional disinfectant?

there are specific contact times for sanitizing and disinfecting. follow the label instructions to use.

for sprays:

to disinfect: wet the surface. leave for 10 minutes. allow to air dry.

to sanitize: wet the surface. leave for 5 minutes. allow to air dry.

for wipes:

wet the surface. leave wet for 10 minutes. allow to air dry.

yes, this is similar to traditional disinfecting products. each product has specified use instructions and contact time to kill specific microorganisms.