# iOGYM GO vs 智慧護膝3+3

The clearest difference is iOS requirement: 智慧護膝3+3 at 13.0 against iOGYM GO's 15.6. On price, update cadence, 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iOGYM GO | 智慧護膝3+3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 122 MB | 190 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [動覺科技股份有限公司](https://appshunter.io/developer/1658690019) | [智遊科技服務股份有限公司](https://appshunter.io/developer/1724284475) |

## What reviewers say

### iOGYM GO

[App page](https://appshunter.io/ios/app/iogym-go/id6503808719)

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

**In-app purchases:** none


### 智慧護膝3+3

[App page](https://appshunter.io/ios/app/3-plus-3/id6761870008)

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

**In-app purchases:** none


## Frequently asked questions

### Is iOGYM GO free?

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

### Is 智慧護膝3+3 free?

智慧護膝3+3 is free to download, with no in-app purchases.

### Do iOGYM GO or 智慧護膝3+3 have ads?

Neither iOGYM GO nor 智慧護膝3+3 shows ads.

### Which is updated more often, iOGYM GO or 智慧護膝3+3?

iOGYM GO ships an update fortnightly, and 智慧護膝3+3 fortnightly. Most recently, iOGYM GO was updated on October 25, 2026 and 智慧護膝3+3 on October 24, 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.*