Understanding the SKAdNetwork Framework

gklei

Gregory Klein

Posted on September 11, 2020

Understanding the SKAdNetwork Framework

This is the first of a series of posts regarding mobile marketing industry changes presented by iOS 14.

One of the most significant updates from WWDC this year regarding iOS 14 was the emphasis of SKAdNetwork and AppTrackingTransparency . These changes are set to completely change how mobile marketing and performance are measured. In this blog series, I'll be diving into the specifics of analyzing performance of marketing campaigns under iOS 14. I'll go through SKAdNetwork as a framework, receiving postbacks and tracking conversions, and AppTrackingTransparency specifics. Hopefully this series helps you prepare for iOS 14 when these new privacy features arrive early next year.

Let's begin by discussing the SKAdNetwork Framework.

SKAdNetwork

The purpose of SKAdNetwork, according to Apple, is "helping advertisers measure the success of ad campaigns while maintaining user privacy". The framework was introduced along with iOS 11.3 in 2018. With iOS 14, SKAdNetwork will gain the ability to track conversion events.

There are three main components in this framework:

  1. Ad networks: sign ads and receive install validation postbacks when ads produce conversions
  2. Source apps: display ads provided by the ad networks
  3. Advertised apps: appear in signed ads

Ad Networks

Ad networks register themselves with Apple so they can receive install validation postbacks via the SKAdNetwork API. Registering an ad network can by done visiting the Ad Network ID Request Form and will result in the registered network obtaining a network ID.

Source Apps

Developers need to add the ad network ID to their app's Info.plist file if they want to display ads from an ad network.

Displaying an advertised product happens by calling the  loadProduct(withParamters:completionBlock:) method. The method requires a signature key that the ad network generates, known as the SKStoreProductParameterAdNetworkAttributionSignature.

Ad networks use install validation keys when calling the product view controller's method for loading a product. The keys describe an impression of an ad campaign; the information they contain associates an app installation with an ad campaign. According to what we know, SKAdNetwork can be used to track campaigns and ad groups. However, each network can only track 100 unique entities at a time.

Advertised Apps

The two main responsibilities of the advertised app are to call the registerAppForAdNetworkAttribution() method when the app first launches, and to optionally call the updateConversionValue(_:) method. The latter method may be called more than once during a period of time according to specific timer logic described later in this post. Both methods are provided by the StoreKit framework, and they are both capable of generating an install notification. However, the registerAppForAdNetworkAttribution() method postback does not contain any conversion-related data.

Conclusion

Ad Networks, Source Apps, and Advertised Apps are the main components that make up the SKAdNetwork framework. In my next article, I'll delve deeper into receiving postbacks in this new framework, as well as tracking conversions and campaigns in SKAdNetwork.

If you are looking for a new reporting solution to prepare for iOS 14, reach out to us and see if Xyla's automation and analytics software is right for you. If you are looking for an iOS 14 consultant for your mobile marketing team, contact our sister company Incipia.

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gklei
Gregory Klein

Posted on September 11, 2020

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