# KNEESUP vs 智慧護膝3+3

The clearest difference is update cadence: 智慧護膝3+3 at fortnightly against KNEESUP's every 2 months. 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.

KNEESUP ships an update every 2 months, 智慧護膝3+3 fortnightly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KNEESUP | 智慧護膝3+3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 45 MB | 190 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CONZIAN LTD.](https://appshunter.io/developer/1452496234) | [智遊科技服務股份有限公司](https://appshunter.io/developer/1724284475) |

## What reviewers say

### KNEESUP

[App page](https://appshunter.io/ios/app/kneesup/id1452496235)

This app guides users through knee rehabilitation exercises using sensor data for real-time posture correction. It offers a full series of physician-designed exercises to facilitate home recovery.

**Highlights:** Real-time posture correction with sensor data, Physician-designed exercise series, Home-based rehabilitation, Sensor-guided exercise analysis, User authorization via product purchase

**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 KNEESUP free?

KNEESUP 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 KNEESUP or 智慧護膝3+3 have ads?

Neither KNEESUP nor 智慧護膝3+3 shows ads.

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

KNEESUP ships an update every 2 months, and 智慧護膝3+3 fortnightly. Most recently, KNEESUP was updated on October 13, 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.*