---
title: "Quantum Barcodes: GTIN UPC EAN Shopify App Profile"
description: "Buy, validate and manage GTIN \\(UPC and EAN\\) barcodes in one place. Quantum Barcodes Manager lets you purchase genuine GS1 barcodes, assign codes to products in bulk and keep your data consistent. Reduce listing errors, and support marketplace requirements to sell successfully without listing rejections. Please note that these barcodes are not brand-registered and therefore may not work with marketplaces that enforce it. Free sample codes are provided for your convenience and peace of mind."
canonical_url: "https://shoplist.co/shopify-apps/quantum-barcodes-gtin-upc-ean"
markdown_url: "https://shoplist.co/shopify-apps/quantum-barcodes-gtin-upc-ean.md"
last_updated: "2026-07-20"
entity_type: "shopify_app"
slug: "quantum-barcodes-gtin-upc-ean"
source: "public Shopify app profile allowlist"
---

# Quantum Barcodes: GTIN UPC EAN Shopify App Profile

> Buy, validate and manage GTIN \(UPC and EAN\) barcodes in one place. Quantum Barcodes Manager lets you purchase genuine GS1 barcodes, assign codes to products in bulk and keep your data consistent. Reduce listing errors, and support marketplace requirements to sell successfully without listing rejections. Please note that these barcodes are not brand-registered and therefore may not work with marketplaces that enforce it. Free sample codes are provided for your convenience and peace of mind.

## Quick answer
Quantum Barcodes: GTIN UPC EAN has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: Quantum Barcodes: GTIN UPC EAN
- Monitoring status: First-adopter watch
- Developer: Sync Pro
- Developer profile: https://shoplist.co/app-developers/sync-pro
- Shopify App Store URL: https://apps.shopify.com/quantum-barcodes
- Launch date: June 8, 2026
- Shoplist category: Customer Support

## Pricing summary
Free

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: SKU and barcodes, #114 (14-day median position)
- Listing reviews: 0

## Public callouts
- Buy genuine and unique barcodes from a bulk supplier at competitive prices
- Bulk assign barcodes to product variants
- Track and manage barcode assignments
- Simplify workflows and reduce manual work
- Detect and fix missing, duplicate, or invalid barcodes
## Shopify App Store categories
- SKU and barcodes

## Data note
Profile updated: July 20, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-11-09 12:53:01.684682\+00
Detection metrics refreshed: 2026-11-09 10:00:00.198215\+00
Public app evidence date: 2026-07-20 22:14:36.718834\+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/quantum-barcodes-gtin-upc-ean)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)