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About the TackOn: Cart Fees & Surcharges
Add cart fees, surcharges, and handling charges to your Shopify checkout with customer opt-in toggles. Perfect for processing fees, shipping insurance, gift wrap service, expedited shipping, rush orders, tip collection, donation box, environmental fees, fragile item handling, and oversized product charges.
Create fixed, percentage, or combined fee types for any cart. Set up product-specific surcharge rules with flexible conditions. Works seamlessly with slide cart, cart drawer, cart page, and all Online Store 2.0 themes.
Keep 100% of collected revenue—no commission, no revenue sharing. Multi-currency support through Shopify Markets integration. Every fee type available on the free plan with nothing locked behind paid tiers.
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
- Every fee type on the free plan, nothing locked behind a paid tier
- Keep 100% of collected fees, no commission and no revenue share
Integrations with:
- Checkout,
- Shopify Flow,
- Shopify Admin,
- UpCart
Pricing of TackOn: Cart Fees & Surcharges
Free
Free
- 20 orders a month, on your live store
- All fee types, nothing held back
- Keep 100% of what you collect
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
