# QR Code Reader & Scanner・ vs Smart Flow Metering

The clearest difference is in-app purchases: Smart Flow Metering at none against QR Code Reader & Scanner・'s 6. Smart Flow Metering also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 months). QR Code Reader & Scanner・'s advantage is iOS requirement (14.0 vs 16.4). On price and device support there is nothing between them.

Both are free to download. QR Code Reader & Scanner・ sells 6 in-app purchases, starting at $4.99 per 7 days. Smart Flow Metering asks for nothing beyond the download.

QR Code Reader & Scanner・ ships an update every 2 months, Smart Flow Metering every 2 days. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | QR Code Reader & Scanner・ | Smart Flow Metering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (214 ratings)](https://appshunter.io/ios/app/qr-code-reader-and-scanner/id6736380885/reviews)** | — |
| Number of ratings | **214** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 131 MB | 59 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Hau Nguyen](https://appshunter.io/developer/1447865580) | [Kulmi Digital Agency Limited](https://appshunter.io/developer/1845158824) |

## What reviewers say

### QR Code Reader & Scanner・

[App page](https://appshunter.io/ios/app/qr-code-reader-and-scanner/id6736380885)

This app allows you to quickly scan QR codes and barcodes using your device's camera. It also enables you to generate custom QR codes, open scanned links securely within the app, and organize your scanned data.

**Highlights:** Fast QR & Barcode Scanning, Generate & Customize QR Codes, Secure Built-in Browser, Save & Organize Scanned Codes, Support for Various Code Types

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Scan Week Offer | $4.99 | per 7 days |
| QR Scan Week Offer | $6.99 | per 7 days |
| QR Scan Month Offer | $9.99 | per month |
| QR Scan Month Offer | $12.99 | per month |
| QR Scan Year Offer | $19.99 | per year |
| QR Scan Year Offer | $29.99 | per year |


### Smart Flow Metering

[App page](https://appshunter.io/ios/app/smart-flow-metering/id6795587223)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader & Scanner・ free?

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

### Is Smart Flow Metering free?

Smart Flow Metering is free to download, with no in-app purchases.

### Do QR Code Reader & Scanner・ or Smart Flow Metering have ads?

QR Code Reader & Scanner・ shows ads; Smart Flow Metering does not.

### Which is updated more often, QR Code Reader & Scanner・ or Smart Flow Metering?

QR Code Reader & Scanner・ ships an update every 2 months, and Smart Flow Metering every 2 days. Most recently, QR Code Reader & Scanner・ was updated on October 7, 2026 and Smart Flow Metering on October 4, 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.*