# Knee Mobility vs United Physical Therapy

The clearest difference is review sentiment: United Physical Therapy at 100% against Knee Mobility's 0%. United Physical Therapy also leads on price (Free vs $4.99). Knee Mobility's advantage is update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

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

Knee Mobility ships an update monthly, United Physical Therapy every 3 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Knee Mobility | United Physical Therapy |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/united-physical-therapy/id6745101510/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 300 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 12+ |
| Developer | [MirrorAR LLC](https://appshunter.io/developer/1526484138) | [Physical Therapy Partners, LLC](https://appshunter.io/developer/1810729784) |

## What reviewers say

### 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


### United Physical Therapy

[App page](https://appshunter.io/ios/app/united-physical-therapy/id6745101510)

Access your personalized home exercise program with HD instructional videos. Securely communicate with your provider, track progress with virtual trophies, and manage appointments. Integrates with fitness trackers to monitor daily activity.

**Highlights:** Personalized Home Exercise Program, HD Instructional Videos, Secure Provider Messaging, Progress Tracking & Achievements, Appointment Booking, Multi-language Support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knee Mobility free?

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

### Is United Physical Therapy free?

United Physical Therapy is free to download, with no in-app purchases.

### Do Knee Mobility or United Physical Therapy have ads?

Neither Knee Mobility nor United Physical Therapy shows ads.

### Which is updated more often, Knee Mobility or United Physical Therapy?

Knee Mobility ships an update monthly, and United Physical Therapy every 3 months. Most recently, Knee Mobility was updated on October 30, 2026 and United Physical Therapy on October 30, 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.*