Ski vs Knee Mobility
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ski
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.
- Strength building exercises
- Balance improvement routines
- Conditioning for endurance
- Flexibility training
- Injury prevention focus
- Developed by a physical therapist
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Ski PT is a pre-hab app with exercise routines aimed to build users bodies in Strength, Balance, Conditioning, and Flexibility for better skiing and injury prevention. Strength is required for having the control to cut and hold an edge on the snow and maintain control. Balance is needed for staying relaxed while bending ankles, knees, and hips in sometimes counter-intuitive positions for proper form. Conditioning helps prevent fatigue which leads to bad form, increasing the likelihood of injury. Flexibility assists with balance while conditioning tendons and ligaments to bend rather than break in the event of a wipeout or fall. Exercise routines were developed by a Colorado licensed physical therapist and ski instructor from Keystone resort, who was also a competitive college skier and has the unique knowledge and first hand experience of what's needed for proper ski technique and injury prevention. While Ski PT is NOT an injury recovery program (please see a physical therapist in person), it is designed from first hand experience both on the slopes and in a clinical setting to help prep the body for improved physical shape leading to better skiing and preventing injury in the first place. Ski PT is ideal for: Traveling skiers who only ski a few days a year. Mature skiers who want to keep enjoying it for years to come. Skiers who have already recovered from a previous injury and want to fortify themselves to prevent re-injury.
Knee Mobility
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.
- Track knee range of motion
- Daily exercises for knee health
- Progress monitoring over six weeks
- Feedback for motivation
- General wellness and fitness focus
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Knee Mobility is your companion in maintaining knee health and tracking your range of motion. Engage in daily exercises designed to help you maintain or improve your range of motion, with feedback to keep you on track. Over six weeks, monitor your progress with insights, ensuring you stay motivated. Disclaimer: This app is designed for general wellness and fitness purposes only. It does not diagnose, treat, or prevent any medical conditions. Always consult with a healthcare professional before starting any new exercise program. Always seek a doctor's or healthcare provider's guidance for any health concerns or medical decisions.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Ski | Knee Mobility |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 2.7 (9 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 9 — better | — |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 33 MB | 300 MB |
| Age rating | 12+ | +4 |
| Developer | Alix Cave | MirrorAR LLC |
Customer experience
Ski
Knee Mobility
In-app purchases
Ski
No in-app purchases
Knee Mobility
No in-app purchases









