If you're hunting for the best ecommerce analytics platform for an omnichannel brand, you've probably already hit the wall every growing DTC company hits: your numbers don't agree with each other. Shopify says one thing. Amazon Seller Central says another. Your ad platforms report a third version of reality. None of them are lying exactly, they're just measuring different things, on different clocks, with different attribution logic. This post walks through what actually matters when comparing tools built for this problem, and where seven of the more commonly shortlisted platforms fit.