---
title: "DutyLookout Shopify App Profile"
description: "DutyLookout gives every product in your catalog a 10-digit US HTS code. A first pass works out the tariff subheading; a second picks the statistical line from the lines actually published under it. Each code comes with a confidence score and a plain-English reason. Approve codes in bulk, or let high-confidence ones auto-approve, and they are written to every variant. Duty is itemised by arithmetic against a versioned rate snapshot, and you get an email when a rate on your products changes."
canonical_url: "https://shoplist.co/shopify-apps/dutylookout"
markdown_url: "https://shoplist.co/shopify-apps/dutylookout.md"
last_updated: "2026-10-22"
entity_type: "shopify_app"
slug: "dutylookout"
source: "public Shopify app profile allowlist"
---

# DutyLookout Shopify App Profile

> DutyLookout gives every product in your catalog a 10-digit US HTS code. A first pass works out the tariff subheading; a second picks the statistical line from the lines actually published under it. Each code comes with a confidence score and a plain-English reason. Approve codes in bulk, or let high-confidence ones auto-approve, and they are written to every variant. Duty is itemised by arithmetic against a versioned rate snapshot, and you get an email when a rate on your products changes.

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

## Key facts
- Name: DutyLookout
- Monitoring status: First-adopter watch
- Developer: Altered Horizon Ventures Inc
- Developer profile: https://shoplist.co/app-developers/altered-horizon-ventures-inc
- Shopify App Store URL: https://apps.shopify.com/dutylookout
- Website: https://alteredhorizonventures.com
- Launch date: July 30, 2026
- Shoplist category: Marketing Automation

## Pricing summary
Pay as you go: $0/month \+ usage

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.


## App Signals
As of November 9, 2026:

- Stores running it: 0, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: +0 new stores, +0 returning, −0 removed, net 0 (estimated; 2 days held out of movement)
- Primary App Store category: Shipping, #1,094 (14-day median position)
- Listing reviews: 0

## Public callouts
- Two passes: the 10-digit line is chosen from the published tariff, not recalled
- A written rationale and a confidence level on every suggested code
- Codes you already hold are validated and kept, never replaced without approval
- Duty computed by arithmetic against a versioned rate snapshot, with no AI
- Daily tariff monitoring with per-SKU email alerts, included as standard
## Shopify App Store categories
- Shipping

## Data note
Profile updated: October 22, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-11-09 12:27:19.132067\+00
Detection metrics refreshed: 2026-11-09 10:00:00.198215\+00
Public app evidence date: 2026-10-22 12:05:27.82042\+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/dutylookout)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)