---
title: "Tax & Duty King – Import Costs Shopify App Profile"
description: "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."
canonical_url: "https://shoplist.co/shopify-apps/tax-duty-king-1"
markdown_url: "https://shoplist.co/shopify-apps/tax-duty-king-1.md"
last_updated: "2026-10-23"
entity_type: "shopify_app"
slug: "tax-duty-king-1"
source: "public Shopify app profile allowlist"
---

# Tax & Duty King – Import Costs Shopify App Profile

> 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.

## Quick answer
Tax & Duty King – Import Costs has 14 detected stores in Shoplist. This Markdown profile displays 6 public brand examples; it is not a complete customer list.

## Key facts
- Name: Tax & Duty King – Import Costs
- Monitoring status: Merchant data available
- Developer: Aspen Consulting
- Developer profile: https://shoplist.co/app-developers/aspen-consulting
- Shopify App Store URL: https://apps.shopify.com/tax-duty-king
- Website: https://taxdutyking.com
- Launch date: October 1, 2025
- Shoplist category: Customer Support
- Detected stores: 14
- Rating: 5
- Review count: 6
- Free trial signal: Yes

## Pricing summary
Starter Plan: $19.99/month; Growth Plan: $49.99/month; Enterprise Plan: $149.99/month; Plus Checkout: $299/month

## Shoplist app-stack sample
Shoplist has public app-stack evidence for 14 brands using Tax & Duty King – Import Costs. This Markdown page displays 6 of those public brands. Detected stores count storefront evidence; public brands count the brand profiles eligible for this public sample. Stores and brands are different populations, so these counts need not match. This page exposes a small sample so agents can cite Shoplist-native install intelligence without treating the sample as the full dataset.

| Brand | Category or market | Products | Active apps | Shoplist profile |
| --- | --- | --- | --- | --- |
| Love that Bag etc - Preowned Designer Fashions | Apparel & Accessories | 1,849 | 8 | https://shoplist.co/shopify-brands/love-that-bag-etc---preowned-designer-fashions.md |
| chidorivintage.com | Home & Garden | 18,596 | 5 | https://shoplist.co/shopify-brands/chidorivintage-com.md |
| Märta Larsson | Apparel & Accessories | 262 | 11 | https://shoplist.co/shopify-brands/martalarsson-com.md |
| The Decal Zone | Arts & Entertainment | 857 | 8 | https://shoplist.co/shopify-brands/the-decal-zone.md |
| Gymnastics Express | Sporting Goods | 344 | 10 | https://shoplist.co/shopify-brands/gymnasticsexpress-co-uk.md |
| Reilly The Titanium Bike Co. Limited | Sporting Goods | 78 | 6 | https://shoplist.co/shopify-brands/reillytitanium-com.md |

This table is intentionally a public sample. It does not expose the full brand list, install timeline, contact data, people data, internal scores, crawl provenance, or unstable operational fields.

## Public callouts
- Smart tax & duty estimator across 57 countries.
- Smart tax & duty estimator across 57 countries.
- Seamless cart integration for all Shopify themes.
- Seamless cart integration for all Shopify themes.
- Built-in HS code logic for 60\+ product categories.
- Built-in HS code logic for 60\+ product categories.
- Automatic daily currency conversion, shows in customers own currency.
- Automatic daily currency conversion, shows in customers own currency.
## Shopify App Store categories
- Cart customization

## Data note
Profile updated: October 23, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-30 16:10:48.202358\+00
Detection metrics refreshed: 2026-10-30 14:53:23.662062\+00
Public app evidence date: 2026-10-29
This generated Markdown profile intentionally exposes only public, stable app-profile fields and a small public app-stack sample from Shoplist. It excludes private contact data, people data, internal scores, crawl provenance, full datasets, and unstable operational fields.

## Related links
- [HTML app profile](https://shoplist.co/shopify-apps/tax-duty-king-1)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)