GA4 is free, it's everywhere, and most Shopify brands still have it installed somewhere in their stack. But "installed" and "useful" aren't the same thing. If you're searching for a ga4 alternative for Shopify brands, odds are you've already hit the wall: GA4 tells you traffic went up, but it can't tell you why revenue didn't move with it. Here's what's actually missing, what GA4 still gets right, and where a Shopify-native tool like Trivas fits into the picture.