# All QR Scanner vs Simple Unit Convert Pro

The clearest difference is ads: Simple Unit Convert Pro at none against All QR Scanner's shown. Simple Unit Convert Pro also leads on update cadence (every 2 months vs every 10 months) and monetization model (free vs ad-supported). On price, rating, in-app purchases and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for All QR Scanner against 5.0 for Simple Unit Convert Pro. That said, the two scores are not equally well evidenced: Simple Unit Convert Pro has 5 ratings behind it against 1, so its average is the more settled of the two.

All QR Scanner ships an update every 10 months, Simple Unit Convert Pro every 2 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | All QR Scanner | Simple Unit Convert Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/all-qr-scanner/id1596100685/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/simple-unit-convert-pro/id6477877519/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 11 MB | 27 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Prashant Kyada](https://appshunter.io/developer/1843020275) | [Annika Gadman](https://appshunter.io/developer/1728509902) |

## What reviewers say

### All QR Scanner

[App page](https://appshunter.io/ios/app/all-qr-scanner/id1596100685)

Easily create and scan QR codes for various information like website links, text, and Wi-Fi. This utility app offers instant scanning, history saving, and flashlight support, all without requiring an internet connection.

**Highlights:** QR code generation, Instant QR code scanning, Scan from gallery, Scan history, Flashlight support, Offline functionality

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Simple Unit Convert Pro

[App page](https://appshunter.io/ios/app/simple-unit-convert-pro/id6477877519)

This utility app offers a comprehensive solution for converting various units of measurement. It simplifies daily tasks by providing precise conversions for temperature, speed, distance, weight, volume, and area. Streamline your needs with this user-friendly converter.

**Highlights:** Temperature conversion (Fahrenheit/Celsius), Speed conversion (mph/kph), Distance conversion (miles/kilometers), Weight conversion (lbs/oz/kg), Volume conversion (cups/ml/gallons), Area conversion (sq ft/sq m)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is All QR Scanner free?

All QR Scanner is free to download, with no in-app purchases.

### Is Simple Unit Convert Pro free?

Simple Unit Convert Pro is free to download, with no in-app purchases.

### Which has better reviews, All QR Scanner or Simple Unit Convert Pro?

All QR Scanner and Simple Unit Convert Pro are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do All QR Scanner or Simple Unit Convert Pro have ads?

All QR Scanner shows ads; Simple Unit Convert Pro does not.

### Which is updated more often, All QR Scanner or Simple Unit Convert Pro?

All QR Scanner ships an update every 10 months, and Simple Unit Convert Pro every 2 months. Most recently, All QR Scanner was updated on October 10, 2026 and Simple Unit Convert Pro on October 24, 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.*