# QR Code vs Humidity Calc

The clearest difference is in-app purchases: Humidity Calc at none against QR Code's 5. QR Code's advantage is iOS requirement (15.4 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. QR Code sells 5 in-app purchases, starting at $4.99 per 7 days. Humidity Calc asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | QR Code | Humidity Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 90 MB | 38 MB |
| Requires iOS | **15.4** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Divyesh Rajpara](https://appshunter.io/developer/1769331092) | [Hiroaki Oosawa](https://appshunter.io/developer/6797133579) |

## What reviewers say

### QR Code

[App page](https://appshunter.io/ios/app/qr-code-barcode-scanner/id6751828982)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $8.99 | per month |
| Monthly Subscription | $12.99 | per month |
| Monthly Subscription | $12.99 | per month |
| Yearly Subscription | $19.99 | per year |


### Humidity Calc

[App page](https://appshunter.io/ios/app/humidity-calc/id6797133577)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR Code free?

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

### Is Humidity Calc free?

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

### Do QR Code or Humidity Calc have ads?

Both QR Code and Humidity Calc show ads.

### Which is updated more often, QR Code or Humidity Calc?

QR Code ships an update every 3 weeks, and Humidity Calc every 3 weeks. Most recently, QR Code was updated on October 30, 2026 and Humidity Calc on October 31, 2026.

---

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