# QR Scanner vs Quatuordecuple Calc

The clearest difference is in-app purchases: Quatuordecuple Calc at none against QR Scanner's 12. Quatuordecuple Calc also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. QR Scanner sells 12 in-app purchases, starting at $4.99 per 7 days. Quatuordecuple Calc asks for nothing beyond the download.

QR Scanner ships an update monthly, Quatuordecuple Calc every 2 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | QR Scanner | Quatuordecuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (116 ratings)](https://appshunter.io/ios/app/qr-scanner-pdf-and-code-reader/id6469589045/reviews)** | — |
| Number of ratings | **116** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 132 MB | 36 MB |
| Requires iOS | **15.0** | 15.8.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Magic Snail](https://appshunter.io/developer/1758662275) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### QR Scanner

[App page](https://appshunter.io/ios/app/qr-scanner-pdf-and-code-reader/id6469589045)

Easily scan and generate QR codes with customizable designs and templates. Also includes powerful tools to scan documents and convert images into high-quality PDFs for seamless sharing and management.

**Highlights:** AI-generated QR codes, QR code scanning (URLs, contacts, Wi-Fi), QR code generation (links, text, phone), Stylish QR code templates, Business card QR codes, Scan history, PDF scanning and conversion

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Scanner Pro | $4.99 | per 7 days |
| QR Scanner PRO 1 Week | $5.99 | per 7 days |
| QR Scanner PRO 1 Week | $5.99 | per 7 days |
| QR Scanner PRO 1 Week | $9.99 | per 7 days |
| QR Scanner PRO 1 Week | $9.99 | per 7 days |
| QR Scanner PRO | $12.99 | per 7 days |
| QR Scanner PRO | $14.99 | per 7 days |
| QR Scanner PRO | $29.99 | per year |
| QR Scanner PRO 1 Year | $34.99 | per year |
| QR Scanner PRO 1 Year | $39.99 | per year |
| QR Scanner PRO | $59.99 | per year |
| QR Scanner Pro | $19.99 | one-time |


### Quatuordecuple Calc

[App page](https://appshunter.io/ios/app/quatuordecuple-calc/id6742386184)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR Scanner free?

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

### Is Quatuordecuple Calc free?

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

### Do QR Scanner or Quatuordecuple Calc have ads?

Both QR Scanner and Quatuordecuple Calc show ads.

### Which is updated more often, QR Scanner or Quatuordecuple Calc?

QR Scanner ships an update monthly, and Quatuordecuple Calc every 2 weeks. Most recently, QR Scanner was updated on October 10, 2026 and Quatuordecuple Calc on October 10, 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.*