# 制限QRコード vs MathEReal

制限QRコード and MathEReal are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

制限QRコード ships an update every 4 months, MathEReal every 8 months. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 制限QRコード | MathEReal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Size | 9 MB | 7 MB |
| Requires iOS | 15.2 | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kuniaki Fujimoto](https://appshunter.io/developer/1585749122) | [INCICT](https://appshunter.io/developer/1771525934) |

## What reviewers say

### 制限QRコード

[App page](https://appshunter.io/ios/app/qr/id6654908739)

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

**In-app purchases:** none


### MathEReal

[App page](https://appshunter.io/ios/app/mathereal/id6742811503)

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

**In-app purchases:** none


## Frequently asked questions

### Is 制限QRコード free?

制限QRコード is free to download, with no in-app purchases.

### Is MathEReal free?

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

### Do 制限QRコード or MathEReal have ads?

Neither 制限QRコード nor MathEReal shows ads.

### Which is updated more often, 制限QRコード or MathEReal?

制限QRコード ships an update every 4 months, and MathEReal every 8 months. Most recently, 制限QRコード was updated on October 5, 2026 and MathEReal on October 12, 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.*