Ad inspector is an in-app overlay that lets you perform real-time analysis of test ad requests directly within a mobile app. For a list of ad inspector features, see [Ad inspector](https://support.google.com/admanager/answer/7180401#ad-inspector). > [!WARNING] > **Warning:** Enabling ad inspector increases memory usage of the Google Mobile Ads SDK for test devices. This guide covers how to perform the following: - [Launch ad inspector](https://developers.google.com/ad-manager/mobile-ads-sdk/ios/ad-inspector/launch-ad-inspector.md.txt) - [Verify adapter integrations](https://developers.google.com/ad-manager/mobile-ads-sdk/ios/ad-inspector/verify-adapter-integrations.md.txt) - [Test ad units](https://developers.google.com/ad-manager/mobile-ads-sdk/ios/ad-inspector/test-ad-units.md.txt) - [Troubleshoot ad units](https://developers.google.com/ad-manager/mobile-ads-sdk/ios/ad-inspector/troubleshoot-ad-units.md.txt) - [Troubleshoot privacy settings](https://developers.google.com/ad-manager/mobile-ads-sdk/ios/ad-inspector/troubleshoot-privacy-settings.md.txt) ### Prerequisites Before you can use ad inspector, you must complete the following tasks: - Create an Ad Manager account. For more details, see [Develop ads for the Google Mobile Ads SDK](https://support.google.com/admanager/answer/1656921) and [Identify your Ad Manager app ID](https://support.google.com/admanager/answer/1656921). - [Set up Google Mobile Ads SDK](https://developers.google.com/ad-manager/mobile-ads-sdk/ios/quick-start.md.txt). - Install Google Mobile Ads SDK version 8.10.0 or higher. To view the latest version, see [Release notes](https://developers.google.com/ad-manager/mobile-ads-sdk/ios/rel-notes.md.txt). - Add your device as a test device. To add a test device, see [Enable test devices](https://developers.google.com/ad-manager/mobile-ads-sdk/ios/test-ads.md.txt#enable_test_devices) or [Inspect mobile app ad delivery](https://support.google.com/admanager/answer/7180401). > [!IMPORTANT] > **Important:** Ad inspector launches only on *test devices*.