# 快查查条码比价 vs GuoouMaster

The clearest difference is ads: GuoouMaster at none against 快查查条码比价's shown. GuoouMaster also leads on monetization model (free vs ad-supported). 快查查条码比价's advantage is update cadence (every 3 weeks vs every 3 months) and review sentiment (91% vs 80%). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

快查查条码比价 ships an update every 3 weeks, GuoouMaster every 3 months. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 快查查条码比价 | GuoouMaster |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **90.9% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Ad-supported | **Free** |
| Size | 82 MB | 15 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [朋成 张](https://appshunter.io/developer/591343179) | [海军 欧阳](https://appshunter.io/developer/1284631051) |

## What reviewers say

### 快查查条码比价

[App page](https://appshunter.io/ios/app/id674987189)

This app scans barcodes and QR codes to quickly find product information and compare prices across different online stores and supermarkets. It also allows you to create personalized QR code business cards.

**Highlights:** Barcode scanning, QR code scanning, Price comparison, Product information lookup, QR code business card creation

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

**In-app purchases:** none


### GuoouMaster

[App page](https://appshunter.io/ios/app/guooumaster/id1284631052)

This app measures coating thickness on steel and aluminum, allowing real-time data reading via Bluetooth, recording, and analysis. It helps evaluate vehicle originality and compliance with state regulations for used vehicle appraisal and new car transactions.

**Highlights:** Bluetooth data reading, Data recording and analysis, Vehicle coating inspection, Batch product testing, Used vehicle appraisal tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 快查查条码比价 free?

快查查条码比价 is free to download, with no in-app purchases.

### Is GuoouMaster free?

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

### Do 快查查条码比价 or GuoouMaster have ads?

快查查条码比价 shows ads; GuoouMaster does not.

### Which is updated more often, 快查查条码比价 or GuoouMaster?

快查查条码比价 ships an update every 3 weeks, and GuoouMaster every 3 months. Most recently, 快查查条码比价 was updated on September 22, 2026 and GuoouMaster on September 9, 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.*