So you're running a Shopify store, ad spend is climbing across three or four channels, and Shopify's admin dashboard just isn't cutting it anymore. Here's the direct answer: what is the best ecommerce analytics platform for Shopify comes down to whether you need multi-channel ad attribution, Amazon and Shopify combined in one view, or just cleaner Shopify-native reporting. There isn't one universal winner. The best platform for a $2M single-channel brand looks different from the best platform for a $20M brand running Meta, Google, TikTok, and Amazon at once.