International e-commerce seller is unsure which tax model to use — whether to include all taxes in the price or pass shipping and duty taxes to the customer.

No centralized tool provides real-time, country-specific tax and duty estimation integrated with checkout, forcing merchants to guess or manually research each destination's rules.

Severity

2Mild

Willingness to Pay

implied

Added

May 26, 2026

App Concept

DutyCalc Global

DutyCalc Global is a SaaS plug-in that automatically calculates and displays landed costs (including duties, taxes, and shipping) at checkout for cross-border e-commerce. It integrates with major platforms like Shopify and WooCommerce, letting merchants choose DDP or DAP models with one click, and provides a clear cost summary for customers.

Key Features

Real-time duty and tax calculation for 100+ countries
Seamless integration with Shopify, WooCommerce, BigCommerce, etc.
Toggle between DDP (all-inclusive) and DAP (customer pays duties) pricing models
Automated invoice and customs document generation

Target Users: International e-commerce merchants and marketplace sellers (B2C or DTC) with cross-border sales, typically small to mid-size businesses selling via Shopify or WooCommerce.

Revenue Model: $29/mo per store for up to 500 orders, $59/mo unlimited. Plus per-transaction fee of $0.10 for advanced customs docs.

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