# Ski vs Knee Mobility

The clearest difference is price: Ski at Free against Knee Mobility's $4.99. Ski also leads on iOS requirement (11.0 vs 13.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Ski is free to download; Knee Mobility costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ski ships an update every 5 weeks, Knee Mobility monthly. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Ski | Knee Mobility |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[2.7 (9 ratings)](https://appshunter.io/ios/app/ski-pt/id1643259981/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | **Free** | Paid |
| Size | 33 MB | 300 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | +4 |
| Developer | [Alix Cave](https://appshunter.io/developer/1581986448) | [MirrorAR LLC](https://appshunter.io/developer/1526484138) |

## What reviewers say

### Ski

[App page](https://appshunter.io/ios/app/ski-pt/id1643259981)

Prepare your body for the slopes with targeted exercise routines designed to enhance strength, balance, conditioning, and flexibility. This app focuses on injury prevention and improving your skiing performance.

**Highlights:** Strength building exercises, Balance improvement routines, Conditioning for endurance, Flexibility training, Injury prevention focus, Developed by a physical therapist

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Knee Mobility

[App page](https://appshunter.io/ios/app/knee-mobility/id6621180556)

This app helps you track and improve your knee's range of motion through daily exercises. Monitor your progress over six weeks with insightful feedback to stay motivated on your journey to better knee health.

**Highlights:** Track knee range of motion, Daily exercises for knee health, Progress monitoring over six weeks, Feedback for motivation, General wellness and fitness focus

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

**In-app purchases:** none


## Frequently asked questions

### Is Ski free?

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

### Is Knee Mobility free?

Knee Mobility costs $4.99, with no in-app purchases.

### Do Ski or Knee Mobility have ads?

Neither Ski nor Knee Mobility shows ads.

### Which is updated more often, Ski or Knee Mobility?

Ski ships an update every 5 weeks, and Knee Mobility monthly. Most recently, Ski was updated on October 5, 2026 and Knee Mobility on October 4, 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.*