# IWT翻轉世界 vs Gin12 瑭琪十二經筋

The clearest difference is update cadence: Gin12 瑭琪十二經筋 at every 5 weeks against IWT翻轉世界's every 6 months. IWT翻轉世界's advantage is iOS requirement (13.0 vs 15.6). 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.

IWT翻轉世界 ships an update every 6 months, Gin12 瑭琪十二經筋 every 5 weeks. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | IWT翻轉世界 | Gin12 瑭琪十二經筋 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Size | 82 MB | 74 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [JIA CHENG LIN](https://appshunter.io/developer/1713296039) | [CLOUDGEM LIMITED](https://appshunter.io/developer/1852719825) |

## What reviewers say

### IWT翻轉世界

[App page](https://appshunter.io/ios/app/iwt/id1643491204)

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

**In-app purchases:** none


### Gin12 瑭琪十二經筋

[App page](https://appshunter.io/ios/app/gin12/id6737256988)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is IWT翻轉世界 free?

IWT翻轉世界 is free to download, with no in-app purchases.

### Is Gin12 瑭琪十二經筋 free?

Gin12 瑭琪十二經筋 is free to download, with no in-app purchases.

### Do IWT翻轉世界 or Gin12 瑭琪十二經筋 have ads?

Neither IWT翻轉世界 nor Gin12 瑭琪十二經筋 shows ads.

### Which is updated more often, IWT翻轉世界 or Gin12 瑭琪十二經筋?

IWT翻轉世界 ships an update every 6 months, and Gin12 瑭琪十二經筋 every 5 weeks. Most recently, IWT翻轉世界 was updated on October 25, 2026 and Gin12 瑭琪十二經筋 on October 9, 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.*