Don't Make Mistake using Facebook and Instagram App For Pixel|| GTM vs App Pixel result

Shopify Discussion
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Topic summary

A comparison reveals significant discrepancies in Facebook Pixel tracking data between two implementation methods over 2-day and 7-day periods.

Key Finding:
Google Tag Manager (GTM) implementation captures substantially more conversion events and purchase data compared to the native Facebook and Instagram app integration.

Recommendation:
Users should avoid relying solely on Meta’s native app for pixel tracking. Instead:

  • Create a backup pixel configured via Google Tag Manager
  • Compare purchase results between both methods
  • Implement GTM for more accurate performance tracking

Visual Evidence:
Three comparison screenshots demonstrate the data gaps between GTM pixel tracking and the Meta app’s pixel data for both recent (2-day) and weekly (7-day) timeframes.

The post emphasizes taking action promptly to avoid missing critical conversion data that could impact advertising optimization and business decisions.

Summarized with AI on November 3. AI used: claude-sonnet-4-5-20250929.
1

Don’t make this silly mistake by solely relying on the Facebook and Instagram apps for Facebook pixel tracking.

Take action before you are late.

Very Recent Pixel and Conversion API Result Comparison Between Meta App(facebook and Instagram) and Google Tag Manager (GTM)

Here you can see the comparison for the last 2 days and last 7 days data between GTM and facebook and Instagram App.

The decision is yours……….

GTM Pixel data for last 7 days
GTM Pixel data for last 7 days1488×1102 131 KB

App Pixel data for last 7 days
App Pixel data for last 7 days1489×906 97.2 KB
GTM Pixel data for last 2 days
GTM Pixel data for last 2 days1490×1038 127 KB

App Pixel data for last 2 days
App Pixel data for last 2 days1492×919 108 KB

What I offer and what you can do:

Create a Backup pixel and configure that via Google tag manager GTM to compare the result between App purchase and GTM purchase. Later on use the best performing pixel.

Feel free to ask if you have any questions.