TackOn: Cart Fees & Surcharges

Pricing: Free plan available. Free trial available.
Rating: 0.0 (0 Reviews)
Developer: Normalize

View demo store

Add cart fees, surcharges & handling charges. Customers opt-in. You keep 100% of revenue.

Add cart surcharges, handling fees, and extra charges to Shopify checkout. Use for processing fees, expedited shipping, rush orders, shipping insurance, gift wrap service, tip collection, donation box, environmental fees, fragile item handling, oversized product charges, and custom service fees. Customers choose to add fees with an opt-in toggle. Keep 100% of revenue—zero commission or revenue sharing. Compatible with slide cart, cart drawer, cart page, and all Online Store 2.0 themes.

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
Clean install/uninstall using theme app extensions
Fully customizable to match your brand

Languages

English

Works with

Checkout
Shopify Admin

Pricing

Free

Includes 50 orders/month
Full access to all features
Perfect for development stores

Starter

$5 / month

0.10$ per extra order(after 50 order )

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

30-day free trial

All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.

Reviews

Overall rating

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All reviews

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Support

App support provided by Normalize.

Resources

App Documentation

Developer

Normalize

Dhaka, BD

Launched

December 11, 2025

Data access

This app needs access to the following data to work on your store. Learn why in the developer's privacy policy .

View personal data:

Customers, store owner

Customers

Name, email address, phone number, physical address, geolocation, IP address, browser and operating system
Store owner

Name, email address, phone number, physical address

View and edit store data:

Customers, products, orders, Shopify Functions, Online Store, Shopify admin

View customers

Customer data
Edit products

Publications of products on sales channels, products, or collections
Edit orders

Assigned fulfillment, order fulfillments, merchant managed fulfillment, all order details for the last 60 days, or order edits
Edit Shopify Functions

Cart transforms
View your Online Store

Theme
Edit Shopify admin

Files