# QR コードリーダー / きゅーあーるこーど読み取り・生成 vs ただの電卓

The clearest difference is ads: ただの電卓 at none against QR コードリーダー / きゅーあーるこーど読み取り・生成's shown. ただの電卓 also leads on iOS requirement (12.0 vs 17.0). QR コードリーダー / きゅーあーるこーど読み取り・生成's advantage is rating (4.8 vs 4.3) and ratings volume (53 vs 3). On price, review sentiment, 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.

QR コードリーダー / きゅーあーるこーど読み取り・生成 holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: QR コードリーダー / きゅーあーるこーど読み取り・生成 has 53 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 73% of QR コードリーダー / きゅーあーるこーど読み取り・生成's written reviews are positive against 70% of ただの電卓's.

QR コードリーダー / きゅーあーるこーど読み取り・生成 ships an update every 5 days, ただの電卓 fortnightly. The most recent releases landed on November 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | QR コードリーダー / きゅーあーるこーど読み取り・生成 | ただの電卓 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (53 ratings)](https://appshunter.io/ios/app/qr/id794278407/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/id1573909569/reviews) |
| Number of ratings | **53** | 3 |
| Positive reviews | **72.5% of reviews** | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Ad-supported | — |
| Size | 43 MB | 14 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [dotColors LLC](https://appshunter.io/developer/1536066122) | [HIROKI HORIGUCHI](https://appshunter.io/developer/1535451720) |

## What reviewers say

### QR コードリーダー / きゅーあーるこーど読み取り・生成

[App page](https://appshunter.io/ios/app/qr/id794278407)

Easily scan QR codes and barcodes with this free application. It offers quick scanning, saves your history, and can even read codes from images stored on your device.

**Highlights:** Quick QR code scanning, Barcode scanning, Scan from images, Save scan history, Easy to use interface

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

**In-app purchases:** none


### ただの電卓

[App page](https://appshunter.io/ios/app/id1573909569)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR コードリーダー / きゅーあーるこーど読み取り・生成 free?

QR コードリーダー / きゅーあーるこーど読み取り・生成 is free to download, with no in-app purchases.

### Is ただの電卓 free?

ただの電卓 is free to download, with no in-app purchases.

### Which has better reviews, QR コードリーダー / きゅーあーるこーど読み取り・生成 or ただの電卓?

QR コードリーダー / きゅーあーるこーど読み取り・生成 is rated higher. QR コードリーダー / きゅーあーるこーど読み取り・生成 averages 4.8 out of 5 from 53 ratings, while ただの電卓 averages 4.3 from 3 ratings.

### Do QR コードリーダー / きゅーあーるこーど読み取り・生成 or ただの電卓 have ads?

QR コードリーダー / きゅーあーるこーど読み取り・生成 shows ads; ただの電卓 does not.

### Which is updated more often, QR コードリーダー / きゅーあーるこーど読み取り・生成 or ただの電卓?

QR コードリーダー / きゅーあーるこーど読み取り・生成 ships an update every 5 days, and ただの電卓 fortnightly. Most recently, QR コードリーダー / きゅーあーるこーど読み取り・生成 was updated on November 1, 2026 and ただの電卓 on October 12, 2026.

---

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