---
title: "ChronoBase Customs Shopify App Profile"
description: "Importing watches into the US is uniquely complicated: customs doesn't charge one duty on the product — it charges separate rates on the movement, case, band, and battery, each with its own tariff line. Get it wrong and you overpay or face delays at the border. ChronoBase Customs does the hard part automatically — it researches your product, pulls current rates from the official US tariff schedule, and pushes ready-to-use customs data to Shopify, with a printable worksheet for every entry."
canonical_url: "https://shoplist.co/shopify-apps/chronobase-customs"
markdown_url: "https://shoplist.co/shopify-apps/chronobase-customs.md"
last_updated: "2026-10-13"
entity_type: "shopify_app"
slug: "chronobase-customs"
source: "public Shopify app profile allowlist"
---

# ChronoBase Customs Shopify App Profile

> Importing watches into the US is uniquely complicated: customs doesn't charge one duty on the product — it charges separate rates on the movement, case, band, and battery, each with its own tariff line. Get it wrong and you overpay or face delays at the border. ChronoBase Customs does the hard part automatically — it researches your product, pulls current rates from the official US tariff schedule, and pushes ready-to-use customs data to Shopify, with a printable worksheet for every entry.

## Quick answer
ChronoBase Customs has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: ChronoBase Customs
- Monitoring status: First-adopter watch
- Developer: Tempus Kronos Apps.
- Developer profile: https://shoplist.co/app-developers/tempus-kronos-apps
- Shopify App Store URL: https://apps.shopify.com/chronobase-customs
- Launch date: September 11, 2026
- Shoplist category: Search & SEO
- Free trial signal: Yes

## Pricing summary
ChronoBase Customs: $9.99/month

Shoplist has not yet found reliable public storefront evidence connecting a Shopify store to this app. This does not mean the app has no users. Some apps are new, admin-only, server-side, theme-independent, or otherwise difficult to detect from public storefront signals.


## Public callouts
- Classify watch components for more accurate HTS codes
- Estimate US import duties using live official tariff rates
- Apply origin-based tariff surcharges to duty estimates
- Fill Shopify customs fields and generate a customs worksheet
## Shopify App Store categories
- Shipping

## Data note
Profile updated: October 13, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-27 18:03:19.041017\+00
Detection metrics refreshed: 2026-10-27 00:00:00.310947\+00
Public app evidence date: 2026-10-13 19:55:08.033234\+00
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/chronobase-customs)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)