Facebook Pixel + IOS support helps you to use Facebook Pixel (Meta Pixel) uing Conversations API.
This plugin supports IOS.

Supports events:

fbq('track', 'Purchase');
fbq('track', 'CompleteRegistration');
fbq('track', 'AddToCart');
fbq('track', 'AddToWishlist');
fbq('track', 'InitiateCheckout');
fbq('track', 'Search');
fbq('track', 'Contact');
fbq('track', 'ViewContent');