Across 13 verified merchants and agency operators, 88% are satisfied with Shopify Flow. The dominant theme is capability that doesn't exist natively otherwise: reviewers automate order tagging, payment capture, fraud detection, low-stock alerts and CRM handoffs, and describe reaching solutions they'd otherwise have installed a paid app for. It connects systems that can't otherwise talk to each other, and Sidekick now generates flows from a description, which reviewers rate as a real improvement. The friction is consistent. The builder confuses merchants without coding experience, and documentation for anything beyond simple flows is thin or missing. Triggers and data fields merchants expect frequently aren't available, particularly around metafields and tags, and API elements have similar names with different outputs. Flows time out on large batches — one reviewer's order-hold release stopped after 60 seconds — and diagnosing a flow that silently fails is hard. The verdict: free, powerful and genuinely underused — but treat it as a tool that rewards a few hours of learning rather than something that works out of the box.