# QR Code Maker & Scanner Pro vs The Calculator

The clearest difference is monetization model: The Calculator at freemium against QR Code Maker & Scanner Pro's subscription. The Calculator also leads on update cadence (every 6 days vs every 2 months) and iOS requirement (16.6 vs 18.5). QR Code Maker & Scanner Pro's advantage is device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. QR Code Maker & Scanner Pro sells 3 in-app purchases, starting at $5.99 per 7 days and The Calculator sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for QR Code Maker & Scanner Pro against 5.0 for The Calculator. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

QR Code Maker & Scanner Pro ships an update every 2 months, The Calculator every 6 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | QR Code Maker & Scanner Pro | The Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/qr-code-maker-and-scanner-pro/id6742572782/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/the-calculator-notes-and-units/id6745772251/reviews) |
| Number of ratings | **3** | 2 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Subscription | **Freemium** |
| Size | 19 MB | 17 MB |
| Requires iOS | 18.5 | **16.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Amit Verma](https://appshunter.io/developer/1219761009) | [YiDe Liu](https://appshunter.io/developer/1813803093) |

## What reviewers say

### QR Code Maker & Scanner Pro

[App page](https://appshunter.io/ios/app/qr-code-maker-and-scanner-pro/id6742572782)

Easily scan and create custom QR codes with various design options. Supports multiple code types, batch scanning, and export in high resolution. Includes Apple Watch integration for viewing generated codes.

**Highlights:** Lightning-fast QR & barcode scanner, Batch scanning capability, Create custom QR codes (URL, text, Wi-Fi, etc.), Multiple design styles and color options, Export codes as high-resolution PNG/SVG, Apple Watch integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Pro. | $5.99 | per 7 days |
| QR Pro. | $17.99 | per year |
| QR Pro. | $29.99 | one-time |


### The Calculator

[App page](https://appshunter.io/ios/app/the-calculator-notes-and-units/id6745772251)

This app combines a powerful calculator with a note-taking feature, allowing you to document calculations as you perform them. It also offers unit and currency conversions, with customizable appearance and settings.

**Highlights:** Integrated notepad for documenting calculations, Unit and currency conversion, Basic, scientific, and conversion calculators, Customizable appearance (light, dark, black), Adjustable number formats and decimal places, History with attachable notes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $29.99 | per year |
| Premium | $9.99 | one-time |


## Frequently asked questions

### Is QR Code Maker & Scanner Pro free?

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

### Is The Calculator free?

The Calculator is free to download, with in-app purchases available.

### Which has better reviews, QR Code Maker & Scanner Pro or The Calculator?

QR Code Maker & Scanner Pro and The Calculator are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do QR Code Maker & Scanner Pro or The Calculator have ads?

Neither QR Code Maker & Scanner Pro nor The Calculator shows ads.

### Which is updated more often, QR Code Maker & Scanner Pro or The Calculator?

QR Code Maker & Scanner Pro ships an update every 2 months, and The Calculator every 6 days. Most recently, QR Code Maker & Scanner Pro was updated on October 30, 2026 and The Calculator on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*