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Tidal Shipping Rates
by Portside Commerce
Custom shipping rates at Shopify checkout — by carrier, postcode zone and weight. Add surcharges, combine multi-carrier orders, and show only yours.
—(0 reviews)· $29.99/month. Free trial available.· Launched Aug 7, 2026
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Custom shipping rates at Shopify checkout — by carrier, postcode zone and weight. Add surcharges, combine multi-carrier orders, and show only yours.
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Data last refreshed Aug 19, 2026. Source: Shopify App Store.