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……….
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.