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Mobile Tutorial Series – What are the Most Popular Digital Media Buying Models?

By John Koetsier January 1, 2017

Most marketers make use of some form of paid media in order to support their businesses. There are a variety of ways that advertisers can make media purchases, and many of the media buying models are shorthanded with abbreviations. The six that you are likely to hear most often are CPI, CPM, CPC, CPL, CPA and CPS. Here are brief definitions for each media buying model.

CPI

In mobile app marketing, CPI refers to media buying programs where the advertiser pays for every installed app. Lots of app marketing is purchased CPI, because it is a fast way to drive installs. But the quality of installs driven varies by media vendor. Some CPI vendors are extremely reputable, and work hard to find users that will likely use an app. Others use incentives like giving a user free “gold” for a game in exchange for their downloading an app. These “incentivized installs” tend to be of low quality, though some can be of solid quality. In addition, there are also very disreputable companies that drive installs with bots.

CPM

CPM stands for cost per thousand Impressions (the M is the Roman numeral abbreviation for 1,000.) CPM is one of the most common media buying models. You essentially pay for every time your ad loads on a page or in an app. It’s a simple way to buy, but is coming under increasing scrutiny because the client is charged for the impression whether or not a consumer actually sees it. If, for example, the ad appears below the browser window and the user never scrolls down, the advertiser still pays.

CPC

CPC stands for cost per click advertising. Here the advertiser pays when a click is made on an ad. Some advertisers prefer to buy CPC versus CPM because they believe they only pay when someone is interested enough in the message to want more info. Some CPC media buying model programs are very effective, but there is a potential for fraud if a company deliberately uses bots or some other technique to drive clicks not initiated by a real person.

CPL

CPL is short for cost per lead, meaning that the advertiser pays when a lead form is completed and submitted. CPL is a common media buying model in B2B marketing, where it is unlikely that someone will make a purchase immediately. It can be a very effective way to buy, though there is some risk of fraud if bots are programmed to fill in leads automatically.

CPA or CPS

CPA and CPS stand for cost per acquisition and cost per sale. Here the advertiser pays only if a purchase is made. This is relatively low-risk media buying model because the advertiser only pays when revenue is driven. But many media companies won’t sell media this way because they must assume all of the risk in the ad buy. If no one buys, they make no money.

Which Media Buying Model is Best for Mobile Marketing?

There’s no easy answer. It depends upon your objectives, target, and what your media partners are willing to do for you. The most important thing is to have high quality, unbiased third-party-verified information about the results each vendor drive, whichever form of media buying you choose.

Ultimately, most advertising vendors reverse engineer a CPM from whatever buying model you choose. If, for example, your campaign is good at driving clicks, you’ll find more advertisers willing to take CPC because it reverse engineers into a good CPM.

Most companies ultimately want to drive revenue from their advertising. You need to understand the revenue results of every effort, regardless of how you pay for it.

Download The Singular ROI Index to see the world’s first ranking of ad networks by app ROI.

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