IDFA (Identifier for Advertisers) is an Apple iOS feature that identifies a user's mobile device. On iOS 13 and earlier, the IDFA was available by default with the exception of users who had limited ads personalization in the settings on their iOS device.
On iOS 14.5+, users are required to explicitly give permission in order to use the IDFA. Adding the
AppTrackingTransparency permission to your apps adds an ATT alert (the “iOS ATT alert,” for short) that asks users to allow access to and use of identifiers like IDFA.
To address the change in how IDFA permissions are handled, Funding Choices has implemented a solution that allows you to show your users an IDFA explainer message immediately before the iOS ATT alert, in order to give them more context and understand what their data might be used for.
Above: the IDFA explainer message and iOS ATT alert flow
About the IDFA explainer message
You can create, edit, and publish the explainer message in the Funding Choices interface, and monitor its use in Reports.
Consider including details about how you use user data and how your users can opt in to allow for the use of IDFA in your explainer message. To engage your users, you can customize the explainer message—for example, by matching the writing style and color scheme of your iOS app.
If you use Funding Choices as your CMP (Consent Management Platform) to handle EU user consent, then your EU consent message will act as the initial message for eligible users, and no additional explainer messages will appear.
Follow these steps to create an IDFA message.
In order to use Funding Choices to manage and publish your IDFA explainer messages, you'll need to integrate the UMP SDK version 1.1.0 or greater into your app, along with your GMA SDK. You can take these steps as you prepare for the release of iOS 14. Visit developers.google.com for information on using the UMP SDK for AdMob and Ad Manager.
- If you are using Funding Choices as your CMP for EU user consent messaging, then
If a user... ...they see this immediately before the iOS ATT alert: Is not in the EEA The Funding Choices IDFA explainer message Is in the EEA and has already consented to GDPR The Funding Choices IDFA explainer message Is in the EEA and has not yet made an EU consent decision The Funding Choices EU consent message
- If you are not using Funding Choices as your CMP for EU user consent messaging, then your users will always see the Funding Choices IDFA explainer message immediately before the iOS ATT alert.