# UDS vs QR112

The clearest difference is review sentiment: UDS at 100% against QR112's 67%. UDS also leads on iOS requirement (8.1 vs 17.6). QR112's advantage is update cadence (weekly vs every 3 weeks). On price, ads, in-app purchases and monetization model 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, QR112 weekly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | UDS | QR112 |
| --- | --- | --- |
| 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** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 59 MB | 7 MB |
| Requires iOS | **8.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sand Apps Inc.](https://appshunter.io/developer/333188389) | [VERIKA ARAMOVNA MELIKJAN](https://appshunter.io/developer/1745172263) |

## 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


### QR112

[App page](https://appshunter.io/ios/app/qr112/id6502371117)

This app allows for quick contact with vehicle owners by scanning a QR code on their car. It facilitates easy sharing of contact information and messages, enhancing communication for drivers and service providers.

**Highlights:** Scan QR codes on vehicles, Quick contact via QR scan, Share contact information, Send instant messages, Supports any QR code, Durable aluminum construction

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UDS free?

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

### Is QR112 free?

QR112 is free to download, with no in-app purchases.

### Do UDS or QR112 have ads?

Neither UDS nor QR112 shows ads.

### Which is updated more often, UDS or QR112?

UDS ships an update every 3 weeks, and QR112 weekly. Most recently, UDS was updated on November 1, 2026 and QR112 on October 30, 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.*