SimuShip continuously monitors your Shopify shipping rates against actual carrier costs. When rates change and threaten your margins, you're alerted instantly — or Auto-Fix corrects them automatically. Audit your entire product catalog in seconds, see color-coded status badges for every product, and track your lifetime savings with detailed analytics. Works with all major carriers. No spreadsheets, no manual checking.

• Automatic shipping rate auditing across your entire catalog
• Real-time alerts when carrier rate changes threaten margins
• One-click Auto-Fix to maintain target profit margins