# SmartMeters vs QR Code & Barcode

The clearest difference is rating: QR Code & Barcode at 5.0 against SmartMeters's 3.0. QR Code & Barcode also leads on update cadence (every 3 weeks vs every 20 months) and ratings volume (12 vs 1). SmartMeters's advantage is in-app purchases (none vs 2) and iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. QR Code & Barcode sells 2 in-app purchases, starting at $9.99 per 7 days. SmartMeters asks for nothing beyond the download.

QR Code & Barcode holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: QR Code & Barcode has 12 ratings behind it against 1, so its average is the more settled of the two.

SmartMeters ships an update every 20 months, QR Code & Barcode every 3 weeks. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SmartMeters | QR Code & Barcode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/smartmeters/id1487595512/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/qr-code-and-barcode-batch-read/id6759100009/reviews)** |
| Number of ratings | 1 | **12** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 56 MB | 38 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Siargo,Inc](https://appshunter.io/developer/1318593278) | [Andrii Lupenko](https://appshunter.io/developer/1874572612) |

## What reviewers say

### SmartMeters

[App page](https://appshunter.io/ios/app/smartmeters/id1487595512)

This application monitors real-time flow data from smart flow meters. It allows users to view instantaneous flow rates, total usage, battery levels, and remaining cylinder capacity. The app provides a comprehensive solution for managing gas and microfluidic flow measurements.

**Highlights:** Real-time flow data monitoring, View dynamic flow curves, Calculate total flow and battery level, Monitor cylinder remaining capacity, Bluetooth wireless data transmission, Set high/low flow rate alarms

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

**In-app purchases:** none


### QR Code & Barcode

[App page](https://appshunter.io/ios/app/qr-code-and-barcode-batch-read/id6759100009)

Instantly scan and generate QR codes and barcodes with advanced features like batch scanning and automatic content recognition. Save and access your scan history, and create custom codes for various uses.

**Highlights:** Instant QR code and barcode scanning, Automatic content type detection, Batch scanning for multiple codes, QR code and barcode generation, Scan history with content and timestamps, Direct action for scanned content

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $9.99 | per 7 days |
| Premium Features Year | $39.99 | per year |


## Frequently asked questions

### Is SmartMeters free?

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

### Is QR Code & Barcode free?

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

### Which has better reviews, SmartMeters or QR Code & Barcode?

QR Code & Barcode is rated higher. SmartMeters averages 3.0 out of 5 from 1 ratings, while QR Code & Barcode averages 5.0 from 12 ratings.

### Do SmartMeters or QR Code & Barcode have ads?

Neither SmartMeters nor QR Code & Barcode shows ads.

### Which is updated more often, SmartMeters or QR Code & Barcode?

SmartMeters ships an update every 20 months, and QR Code & Barcode every 3 weeks. Most recently, SmartMeters was updated on October 14, 2026 and QR Code & Barcode on October 2, 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.*