# Unit Converter App vs QR Code Reader

The clearest difference is in-app purchases: Unit Converter App at none against QR Code Reader's 2. Unit Converter App also leads on iOS requirement (9.0 vs 15.0). QR Code Reader's advantage is update cadence (every 4 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. QR Code Reader sells 2 in-app purchases, starting at $5.99 per 7 days. Unit Converter App asks for nothing beyond the download.

Unit Converter App ships an update every 3 months, QR Code Reader every 4 weeks. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Unit Converter App | QR Code Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter-app/id1640879755/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 34 MB | 59 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Syed Shayan Jamal](https://appshunter.io/developer/1533957594) | [DEVSRANK](https://appshunter.io/developer/1716669578) |

## What reviewers say

### Unit Converter App

[App page](https://appshunter.io/ios/app/unit-converter-app/id1640879755)

Easily convert measurements across various categories like temperature, length, and volume. This app offers accurate results with a user-friendly interface, supporting both metric and imperial units.

**Highlights:** Wide range of conversion categories, Intuitive and user-friendly interface, Accurate and reliable results, Supports metric and imperial units, No in-app purchases or hidden fees

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-scaniq/id6757142175)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Scanner Weekly | $5.99 | per 7 days |
| QR Scanner Yearly | $29.99 | per year |


## Frequently asked questions

### Is Unit Converter App free?

Unit Converter App 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 Unit Converter App or QR Code Reader have ads?

Neither Unit Converter App nor QR Code Reader shows ads.

### Which is updated more often, Unit Converter App or QR Code Reader?

Unit Converter App ships an update every 3 months, and QR Code Reader every 4 weeks. Most recently, Unit Converter App was updated on October 4, 2026 and QR Code Reader on October 3, 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.*