TackOn: Cart Fees & Surcharges

Add cart fees, surcharges, handling and processing fees to Shopify checkout. Make each fee optional or required, with flexible rules for products and carts.

4.30(5 reviews)· Free plan available. Free trial available.· Launched Dec 11, 2025

View on Shopify App Store

Marketing and conversion Upsell and bundles Upsell and cross-sell

About

Add cart fees, surcharges, handling and processing fees to Shopify checkout. Make each fee optional or required, with flexible rules for products and carts.

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Data last refreshed Oct 21, 2026. Source: Shopify App Store.