Ad units of type "Site" are categorized by our moderators and appear in
the catalog normally in 24 hours. Our software verifies that the ad unit code is embedded in the specified URL and that the traffic originates from its respective domain.
Ad units of type "App" can be used in apps, browser extensions, hidden sites or anywhere else. We don't verify or categorize them, advertisers are less likely to target them, revenue sharing model is expected to be the main source of income.