# MyWindowManager vs GS1 Barcode UDI Field Check

The clearest difference is price: MyWindowManager at Free against GS1 Barcode UDI Field Check's $19.99. GS1 Barcode UDI Field Check's advantage is update cadence (every 2 months vs every 19 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

MyWindowManager 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.

MyWindowManager ships an update every 19 months, GS1 Barcode UDI Field Check every 2 months. The most recent releases landed on November 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MyWindowManager | GS1 Barcode UDI Field Check |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Size | 43 MB | 5 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Comooh Sarl](https://appshunter.io/developer/1536314632) | [雪 蔺](https://appshunter.io/developer/1853712836) |

## What reviewers say

### MyWindowManager

[App page](https://appshunter.io/ios/app/mywindowmanager/id6449799055)

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

**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 MyWindowManager free?

MyWindowManager 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 MyWindowManager or GS1 Barcode UDI Field Check have ads?

Neither MyWindowManager nor GS1 Barcode UDI Field Check shows ads.

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

MyWindowManager ships an update every 19 months, and GS1 Barcode UDI Field Check every 2 months. Most recently, MyWindowManager was updated on November 7, 2026 and GS1 Barcode UDI Field Check on October 24, 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.*