---
title: "GS1 Assistant \\(UPC EAN GTIN\\) Shopify App Profile"
description: "For brands that make their own products and license barcodes from GS1. GS1 Assistant assigns GTINs \\(UPC barcodes and EAN codes\\) from your GS1 company prefix to your variants, one at a time or in bulk, and writes each to the barcode field. It shows which products have missing, invalid or duplicate GTINs. Where your GS1 organization has an API, Auto Sync sends your products to GS1. US brands can license a GS1 prefix in the app. Every plan includes email & online setup help."
canonical_url: "https://shoplist.co/shopify-apps/gs1-assistant-gtin-upc-ean"
markdown_url: "https://shoplist.co/shopify-apps/gs1-assistant-gtin-upc-ean.md"
last_updated: "2026-11-06"
entity_type: "shopify_app"
slug: "gs1-assistant-gtin-upc-ean"
source: "public Shopify app profile allowlist"
---

# GS1 Assistant \(UPC EAN GTIN\) Shopify App Profile

> For brands that make their own products and license barcodes from GS1. GS1 Assistant assigns GTINs \(UPC barcodes and EAN codes\) from your GS1 company prefix to your variants, one at a time or in bulk, and writes each to the barcode field. It shows which products have missing, invalid or duplicate GTINs. Where your GS1 organization has an API, Auto Sync sends your products to GS1. US brands can license a GS1 prefix in the app. Every plan includes email & online setup help.

## Quick answer
GS1 Assistant \(UPC EAN GTIN\) has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: GS1 Assistant \(UPC EAN GTIN\)
- Monitoring status: Storefront detection limited
- Developer: Left Foot Software
- Developer profile: https://shoplist.co/app-developers/left-foot-software
- Shopify App Store URL: https://apps.shopify.com/gs1-assistant
- Website: https://www.leftfootsoftware.com
- Launch date: May 6, 2024
- Shoplist category: Marketing Automation
- Rating: 4.2
- Review count: 13

## Pricing summary
Essential: $0/month \+ usage; Growth: $4.99/month \+ usage; Automation: $29.99/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.


## App Signals
As of November 8, 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; 1 day held out of movement)
- Primary App Store category: SKU and barcodes, #11 (14-day median position)
- Listing reviews: 13, 0 in 28 days

## Public callouts
- Eliminate the need to track your products in GS1
- Ensures you don't assign the same UPC / EAN to multiple variants
- Visibility of how many UPC / EAN codes are remaining
## Shopify App Store categories
- SKU and barcodes

## Data note
Profile updated: November 6, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-11-09 09:35:37.899024\+00
Detection metrics refreshed: 2026-11-08 10:00:00.19319\+00
Public app evidence date: 2026-11-06 09:02:39.080523\+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/gs1-assistant-gtin-upc-ean)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)