# Scan GS1 Code vs GS1 Barcode UDI Field Check

The clearest difference is price: Scan GS1 Code at Free against GS1 Barcode UDI Field Check's $19.99. GS1 Barcode UDI Field Check's advantage is update cadence (every 2 weeks vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Scan GS1 Code is free to download; GS1 Barcode UDI Field Check costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scan GS1 Code ships an update monthly, GS1 Barcode UDI Field Check every 2 weeks. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Scan GS1 Code | GS1 Barcode UDI Field Check |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 40 MB | 5 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [GS1 Tunisia](https://appshunter.io/developer/1879469719) | [雪 蔺](https://appshunter.io/developer/1853712836) |

## What reviewers say

### Scan GS1 Code

[App page](https://appshunter.io/ios/app/scan-gs1-code/id6759553301)

**Features:** macOS Compatibility

**In-app purchases:** none


### GS1 Barcode UDI Field Check

[App page](https://appshunter.io/ios/app/gs1-barcode-udi-field-check/id6776723131)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Scan GS1 Code free?

Scan GS1 Code is free to download, with no in-app purchases.

### Is GS1 Barcode UDI Field Check free?

GS1 Barcode UDI Field Check costs $19.99, with no in-app purchases.

### Do Scan GS1 Code or GS1 Barcode UDI Field Check have ads?

Neither Scan GS1 Code nor GS1 Barcode UDI Field Check shows ads.

### Which is updated more often, Scan GS1 Code or GS1 Barcode UDI Field Check?

Scan GS1 Code ships an update monthly, and GS1 Barcode UDI Field Check every 2 weeks. Most recently, Scan GS1 Code was updated on October 14, 2026 and GS1 Barcode UDI Field Check on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*