And finally CPV (cost-per-view) type is applicable to mobile ad networks that provide advertisers with video ad campaigns.

This shift has even coined a new term – in app advertising.

There is a simple reason that causes this transition – multiple researches demonstrate the fact that people spend most of the time with mobile devices, using apps, not browsing as they used to.

With the number of mobile apps that continues to increase exponentially, mobile app advertising has a potential to replace mobile web ads completely.

Today all highest paying mobile ad networks are laser focused on mobile as the fastest growing digital advertising sector.

It is an ad unit within a mobile app that provides end users with lots of offers to engage with.

The most frequent use case is mobile games, where offerwalls may either advertise third party games or a series of games from the same game developer.

With CPC (cost-per-click) model an advertiser is charged for each click made on her or his mobile ads.

This model works better for advertisers, because it allows them to pay only for instances when an interest to their product or service is explicit (their ads were clicked) and, as mentioned above, in some cases may work for publishers as well.

Now, before we’ll start profiling top mobile ad networks, let’s define several characteristics to describe a mobile ad network.