# GameSir vs PDF比較・差分チェック

The clearest difference is update cadence: GameSir at every 3 weeks against PDF比較・差分チェック's every 2 months. GameSir also leads on iOS requirement (15.0 vs 18.0). On price, ads, 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.

GameSir ships an update every 3 weeks, PDF比較・差分チェック every 2 months. The most recent releases landed on October 31, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | GameSir | PDF比較・差分チェック |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (1.3K ratings)](https://appshunter.io/ios/app/gamesir/id1372674215/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 29 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Chicken Run Network Technology Co.,Ltd.](https://appshunter.io/developer/1123411451) | [Toshihiro Nakao](https://appshunter.io/developer/1866546756) |

## What reviewers say

### GameSir

[App page](https://appshunter.io/ios/app/gamesir/id1372674215)

Enhance your gaming with this app, offering quick Bluetooth connections for peripherals. Keep your controllers updated with the latest firmware and test their functionality. Access helpful tutorials and customer support for a superior gaming experience.

**Highlights:** Quick Bluetooth connection, Online firmware updates, Controller button testing, Customizable configurations, Connection tutorials, Customer support access

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ⭐ Great controller
- 🚀 Works well
- 👍 Customizable
- 💡 Innovative features

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔧 Compatibility problems
- 🤯 Frustrating app experience
- ⚠️ Lack of support for newer devices/OS

**Reported bugs**

- App crashes or freezes
- Controller not recognized by app
- Firmware update issues

**Requested features**

- Add support for more controllers
- Improve app functionality and customization
- Provide better customer support


### PDF比較・差分チェック

[App page](https://appshunter.io/ios/app/pdf-mikurabe/id6794534595)

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

**In-app purchases:** none


## Frequently asked questions

### Is GameSir free?

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

### Is PDF比較・差分チェック free?

PDF比較・差分チェック is free to download, with no in-app purchases.

### Do GameSir or PDF比較・差分チェック have ads?

Neither GameSir nor PDF比較・差分チェック shows ads.

### Which is updated more often, GameSir or PDF比較・差分チェック?

GameSir ships an update every 3 weeks, and PDF比較・差分チェック every 2 months. Most recently, GameSir was updated on October 31, 2026 and PDF比較・差分チェック on October 22, 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.*