# metr.at vs QR Code Reader

The clearest difference is in-app purchases: metr.at at none against QR Code Reader's 3. metr.at also leads on ads (none vs shown) and device support (4 vs 2). On price and iOS requirement there is nothing between them.

Both are free to download. QR Code Reader sells 3 in-app purchases, starting at $5.99 per 7 days. metr.at asks for nothing beyond the download.

## The numbers

| Metric | metr.at | QR Code Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/metrat/id1165745913/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | — |
| Monetization | Free | — |
| Size | 65 MB | 84 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Voyage Systems AB](https://appshunter.io/developer/1710124681) | [Pinal Goti](https://appshunter.io/developer/1746507294) |

## What reviewers say

### metr.at

[App page](https://appshunter.io/ios/app/metrat/id1165745913)

This app measures and records electrical data like current, voltage, and RPM for compatible devices. It allows users to track routes on Google Maps, view detailed charts, and create videos with data overlays. Users can also share their recorded data and adjust speed modes.

**Highlights:** Measure current, voltage, RPM, speed, Record and upload data online, Track route on Google Maps, View detailed interactive charts, Share data links, Change speed modes, Create videos with data overlay

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-barcode-scan-plus/id6503445446)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Code Reader One Week | $5.99 | per 7 days |
| QR Code Reader One Month | $12.99 | per month |
| QR Code Reader Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is metr.at free?

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

### Is QR Code Reader free?

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

### Do metr.at or QR Code Reader have ads?

QR Code Reader shows ads; metr.at does not.

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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.*