# メモ帳 vs QR Code Scanner

The clearest difference is update cadence: メモ帳 at every 4 days against QR Code Scanner's every 10 days. メモ帳 also leads on device support (3 vs 1) and iOS requirement (14.7 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

メモ帳 ships an update every 4 days, QR Code Scanner every 10 days. The most recent releases landed on September 18, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | メモ帳 | QR Code Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | — | Ad-supported |
| Size | 5 MB | 37 MB |
| Requires iOS | **14.7** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [matsuda riki](https://appshunter.io/developer/1639765806) | [mirai sato](https://appshunter.io/developer/1282286456) |

## What reviewers say

### メモ帳

[App page](https://appshunter.io/ios/app/id6443730092)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Scanner

[App page](https://appshunter.io/ios/app/qr-code-scanner-qr-reader/id6743112678)

This app quickly and accurately scans QR codes and barcodes using your iPhone camera. It features autofocus, a scan history, and the ability to read codes from photos or in low light conditions.

**Highlights:** Reads QR codes/barcodes in 0.1 seconds, Autofocus function, Automatic scan history saving, Reads from photo albums, Reads in dark places

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is メモ帳 free?

メモ帳 is free to download, with no in-app purchases.

### Is QR Code Scanner free?

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

### Do メモ帳 or QR Code Scanner have ads?

Both メモ帳 and QR Code Scanner show ads.

### Which is updated more often, メモ帳 or QR Code Scanner?

メモ帳 ships an update every 4 days, and QR Code Scanner every 10 days. Most recently, メモ帳 was updated on September 18, 2026 and QR Code Scanner on June 11, 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.*