# UDS vs QR & Barcode Scanner MultiScan

The clearest difference is ads: UDS at none against QR & Barcode Scanner MultiScan's shown. UDS also leads on device support (3 vs 1) and iOS requirement (8.1 vs 16.4). QR & Barcode Scanner MultiScan's advantage is update cadence (every 5 days vs every 3 weeks). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UDS ships an update every 3 weeks, QR & Barcode Scanner MultiScan every 5 days. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | UDS | QR & Barcode Scanner MultiScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/uds/id400421308/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 59 MB | 37 MB |
| Requires iOS | **8.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sand Apps Inc.](https://appshunter.io/developer/333188389) | [QuickServe Corporation](https://appshunter.io/developer/458253695) |

## What reviewers say

### UDS

[App page](https://appshunter.io/ios/app/uds/id400421308)

This application offers registered users access to specific information related to UDS. It serves as a portal for retrieving and viewing data within the UDS system.

**Highlights:** Access UDS information, For registered users, Information retrieval

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

**In-app purchases:** none


### QR & Barcode Scanner MultiScan

[App page](https://appshunter.io/ios/app/qr-and-barcode-scanner-multiscan/id6791825709)

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

**In-app purchases:** none


## Frequently asked questions

### Is UDS free?

UDS is free to download, with no in-app purchases.

### Is QR & Barcode Scanner MultiScan free?

QR & Barcode Scanner MultiScan is free to download, with no in-app purchases.

### Do UDS or QR & Barcode Scanner MultiScan have ads?

QR & Barcode Scanner MultiScan shows ads; UDS does not.

### Which is updated more often, UDS or QR & Barcode Scanner MultiScan?

UDS ships an update every 3 weeks, and QR & Barcode Scanner MultiScan every 5 days. Most recently, UDS was updated on October 6, 2026 and QR & Barcode Scanner MultiScan on October 21, 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.*