# 汽车保姆 vs QR Code Reader & Barcode Scan

The clearest difference is in-app purchases: 汽车保姆 at none against QR Code Reader & Barcode Scan's 4. 汽车保姆 also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. QR Code Reader & Barcode Scan sells 4 in-app purchases, starting at $4.49 per month. 汽车保姆 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 27, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 汽车保姆 | QR Code Reader & Barcode Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (71 ratings)](https://appshunter.io/ios/app/qr-code-reader-and-barcode-scan/id1521174180/reviews)** |
| Number of ratings | — | **71** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 71 MB | 15 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ATS ELECTRONICS TECH CO.,LTD](https://appshunter.io/developer/1452958957) | [Mert Vardar](https://appshunter.io/developer/1456260549) |

## What reviewers say

### 汽车保姆

[App page](https://appshunter.io/ios/app/id662840852)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Reader & Barcode Scan

[App page](https://appshunter.io/ios/app/qr-code-reader-and-barcode-scan/id1521174180)

Easily scan QR codes and barcodes by simply pointing your device's camera. This utility offers instant results, a helpful flashlight for low-light conditions, and keeps a history of your scans. No internet connection is needed for this fast and effective tool.

**Highlights:** Instant QR and barcode scanning, Flashlight for low-light, Scan history, No internet required, Minimalist material design, Simple to use

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Code Reader & Barcode + | $4.49 | per month |
| QR Code Reader & Barcode + | $4.99 | per month |
| QR Code Scanner Maker + | $39.99 | per year |
| QR Code Scanner Maker + | $39.99 | per year |


## Frequently asked questions

### Is 汽车保姆 free?

汽车保姆 is free to download, with no in-app purchases.

### Is QR Code Reader & Barcode Scan free?

QR Code Reader & Barcode Scan is free to download, with in-app purchases available.

### Do 汽车保姆 or QR Code Reader & Barcode Scan have ads?

QR Code Reader & Barcode Scan shows ads; 汽车保姆 does not.

### Which is updated more often, 汽车保姆 or QR Code Reader & Barcode Scan?

汽车保姆 ships an update every 3 weeks, and QR Code Reader & Barcode Scan every 3 weeks. Most recently, 汽车保姆 was updated on September 27, 2026 and QR Code Reader & Barcode Scan on September 22, 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.*