how to find idfa on iphone


What is the IDFA and why is it important on an iPhone?

How to Find IDFAs on iPhone: A Guide

Before we dive into how to find IDFA on iPhone, let’s first understand what is IDFA and why it is important.

What is IDFA?

Identifier for Advertisers (IDFA) is a device-specific, randomly generated identifier that Apple assigns to a user’s device. IDFA helps advertisers deliver personalized and more relevant advertisements to the users. Advertisers use IDFA for targeting ads, measuring ad performance, and attributing ad clicks and installs.

Steps to find IDFA on iPhone

Follow the below steps to find IDFA on iPhone:

  1. Open the ‘Settings’ app on your iPhone.
  2. Scroll down and tap on ‘Privacy’.
  3. Tap on ‘Advertising’.
  4. Toggle on the ‘Limit Ad Tracking’ option. This will generate a more accurate representation of the IDFA.
  5. You will now see the IDFA number under the ‘Advertising ID’ section.

Congratulations! You have successfully found the IDFA number for your iPhone.

Why do you need to find IDFA on iPhone?

As mentioned earlier, IDFA helps advertisers deliver personalized and targeted advertisements to the users. If you are an advertiser or a developer who uses mobile advertising to promote your app, you need to find the IDFA on iPhone as it is essential for ad targeting and tracking. Additionally, it helps you to measure the effectiveness of your ad campaign, track user behavior, and improve your app’s performance.


In summary, finding IDFA on iPhone is a simple and straightforward process. By following the above steps, you can easily locate the IDFA number on your iPhone. Make sure to toggle on the Limit Ad Tracking option to ensure a more accurate representation of the IDFA. Remember, IDFA plays a critical role in mobile advertising, so it is essential to find it to deliver relevant ads and track user behavior effectively.

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