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About the TackOn: Cart Fees & Surcharges
TackOn lets you add cart fees, surcharges, and handling charges directly to your Shopify checkout. Set up processing fees, expedited shipping charges, rush order fees, shipping insurance, gift wrap service, tip collection, donation options, environmental fees, fragile item handling, oversized product charges, and custom service fees. Customers opt in using a simple toggle to add fees they want. Works seamlessly with slide cart, cart drawer, cart page, and all Online Store 2.0 themes. Create fixed, percentage, or combined fee types with product-specific surcharge rules and flexible conditions. Multi-currency support included through Shopify Markets integration. You keep 100% of collected fees with zero commission or revenue sharing. Usage-based pricing means you only pay for orders where fees actually apply.
Launched: December 11, 2025
Key features
- Add fixed, percentage, or combined fee types to any cart
- Create product-specific surcharge rules with flexible conditions
- Multi-currency support through Shopify Markets integration
- Usage-based pricing — only pay for orders where fees apply
- Keep 100% of collected fees — zero commission or revenue share
Integrations with:
- Checkout,
- Shopify Flow,
- Shopify Admin,
- UpCart
Pricing of TackOn: Cart Fees & Surcharges
Free
Free
- Includes 20 orders/month
- Full access to all features
- Perfect for development stores
Starter
$5 / month
- All fee types(fixed, percentage, mix)
- Product-specific rules
- Slide cart extension
- Custom HTML/CSS support
- Multi-currency support
- Priority support
- Includes 50 orders/month
- Visibility control based on condition
