★★★★★
The app stopped syncing after the last update and support took a week to reply. We lost orders during the outage and had to switch to a competitor.
TackOn: Cart Fees & Surcharges
by Normalize
Add cart fees, surcharges & handling charges. Customers opt-in. You keep 100% of revenue.
Upsell and cross-sell
Free plan
- Rating
- 3.7
- Reviews
- 3
- Pricing from
- $5.00/mo
- Launched
- Dec 2025
First seen 18 Sep 2026 · Data updated 1 week ago
Worst recent reviews
1- and 2-star reviews reveal what this app gets wrong: the gaps a competitor could fill.
About TackOn: Cart Fees & Surcharges
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.
Highlights
- 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
Languages
English