Back
PackOS Pack
by PackOS
Show accurate carrier-calculated shipping rates at Shopify checkout. PackOS picks the right box per order and returns live USPS, UPS, and FedEx rates.
—(0 reviews)· From $50/month. Free trial available.· Launched May 20, 2026
View on Shopify App Store About
Show accurate carrier-calculated shipping rates at Shopify checkout. PackOS picks the right box per order and returns live USPS, UPS, and FedEx rates.
Similar apps
Data last refreshed Jun 17, 2026. Source: Shopify App Store.