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Tax & Duty King – Import Costs

Show and collect import duties and taxes before customers buy

by Aspen Consulting · Launched: October 2025

5.0 (6) on Shopify
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Calculate, display and collect estimated import taxes, duties and fees before purchase. Support DDP, IOSS, landed cost and international orders.

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About Tax & Duty King – Import Costs

Stop losing international sales to unexpected import charges. Tax & Duty King calculates estimated duties, taxes and import fees before purchase. Starter merchants can display these estimates to shoppers, while eligible higher plans can also collect the calculated amount as a separate Import Duties & Taxes line through the cart and checkout. Support international selling with HS codes, IOSS, DDP, multi-origin fulfilment and country-specific calculations.

Last verified: October 8, 2026 · Fresh

App details

Developer
Aspen Consulting
Category
Marketing & conversion
Pricing
Paid
Launched
October 2025
Rating
5.0 (6) on Shopify

Key features

  • 750 calculations each month
  • Display duties & taxes before purchase
  • Cart-level import fee display
  • HS code based duty calculations
  • Import estimates in local currency
Integrations with:

Checkout Shipping King – Royal Mail Shopify Admin

4 plans · 7-day free trial

Starter Plan

$19.99/month

Growth Plan

$49.99/month

Enterprise Plan

$149.99/month

Plus Checkout

$299/month

Plans and prices as listed on the Shopify App Store.

Ratings & reviews

based on 5 Shopify App Store reviews

Use the arrows to read individual reviews

A great product with even greater support from the developers. I highly recommend it.
— ASHA
I’m just getting started with it, but so far I’ve been very impressed. The functionality is excellent, and everything has been straightforward to use once set up. What has stood out to me most is the customer service. Their response time is extremely fast, and they are genuinely helpful and willing to walk you through the setup process and answer any questions you may have. It’s refreshing to dea...
— Holy Word Press
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— Ennoja Clothing
Had some issues installing the Tax & Duty King - Import Fees app integrating with our website. Aspen Consulting has been amazing and shout out to Paul for his exceptional assistance in working with us to get the app and our product options to work seamlessly together. The app provides our customers with clear and detailed information for any import charges they may incur. We look forward to workin...
— The Decal Zone
VAT & Duty Calculator was incredibly easy to install and worked perfectly straight away. The customer service and support are genuinely first class — fast, helpful, and knowledgeable. The app itself performs brilliantly, giving our customers clear and detailed information about potential import costs. This transparency has noticeably improved our conversion rate and overall customer satisfaction....
— NOTCH®

Overview 1 / 5

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