# IWT翻轉世界 vs ZYS Training

The clearest difference is in-app purchases: IWT翻轉世界 at none against ZYS Training's 14. IWT翻轉世界 also leads on iOS requirement (13.0 vs 15.0). ZYS Training's advantage is update cadence (every 8 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. ZYS Training sells 14 in-app purchases, starting at $39.99 per 7 days. IWT翻轉世界 asks for nothing beyond the download.

IWT翻轉世界 ships an update every 6 months, ZYS Training every 8 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | IWT翻轉世界 | ZYS Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Size | 82 MB | 38 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [JIA CHENG LIN](https://appshunter.io/developer/1713296039) | [ZYS Co., Ltd.](https://appshunter.io/developer/6780589066) |

## 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


### ZYS Training

[App page](https://appshunter.io/ios/app/zys-training/id6780589064)

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一對一課表・每週 2 天 | $39.99 | per 7 days |
| 一對一課表・每週 3 天 | $49.99 | per 7 days |
| 一對一課表・每週 4 天 | $49.99 | per 7 days |
| Hyrox Advance 無回饋 月繳 | $49.99 | per month |
| 一對一課表・每週 5-6 天 | $59.99 | per 7 days |
| Hyrox Advance 月繳 | $99.99 | per month |
| 一對一課表・每週 2 天 | $119.99 | per month |
| Crossfit Foundation 無回饋 半年繳 | $149.99 | per 6 months |
| 一對一課表・每週 3 天 | $149.99 | per month |
| 一對一課表・每週 4 天 | $199.99 | per month |
| 一對一課表・每週 5-6 天 | $199.99 | per month |
| Crossfit Foundation 半年繳 | $299.99 | per 6 months |
| Hyrox Advance 無回饋 半年繳 | $299.99 | per 6 months |
| Hyrox Advance 回饋 半年繳 | $599.99 | per 6 months |


## 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 ZYS Training free?

ZYS Training is free to download, with in-app purchases available.

### Do IWT翻轉世界 or ZYS Training have ads?

Neither IWT翻轉世界 nor ZYS Training shows ads.

### Which is updated more often, IWT翻轉世界 or ZYS Training?

IWT翻轉世界 ships an update every 6 months, and ZYS Training every 8 days. Most recently, IWT翻轉世界 was updated on October 25, 2026 and ZYS Training on October 28, 2026.

---

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