Onyx Physical Therapy vs FunctionRx
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Onyx Physical Therapy
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Welcome to the Onyx Physical Therapy App! Log on to access your personalized Home Exercise Program on your mobile device. Using this app, you can access your personalized Home Exercise Program with HD Instructional videos. On the 'Messages' tab, you can securely communicate with your Onyx Physical Therapy provider. As you complete your exercises, we'll give you trophies and medals to celebrate your progress! On the 'Awards' tab, you can track these items. Prefer a language other than English? Go to the 'More' tab and select 'Languages' to pick another language option. If you need to book an appointment, please go to the 'Appointments' tab for more info. Make sure to select 'Mark as Complete' when doing your exercises to ensure that your provider can keep track of your progress! You must be an Onyx Physical Therapy patient to gain access. This app integrates with your iPhone's Health app to read daily step count data allowing your provider to monitor your activity.
FunctionRx
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FunctionRx brings professional posture alignment therapy and functional movement training directly to your device. Say goodbye to chronic pain and discover how proper body alignment can transform your life.
Screenshots
Verdict
The clearest difference is update cadence: FunctionRx at every 10 days against Onyx Physical Therapy's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Onyx Physical Therapy ships an update every 9 months, FunctionRx every 10 days. The most recent releases landed on October 7, 2026 and November 5, 2026 respectively.
| Parameter | Onyx Physical Therapy | FunctionRx |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 10 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details โ not scored | ||
| Size | 43 MB | 39 MB |
| Age rating | 17+ | 17+ |
| Developer | Onyx Physical Therapy and Wellness Inc. | FunctionRx LLC |
In-app purchases
Onyx Physical Therapy
No in-app purchases
FunctionRx
No in-app purchases
Questions
Is Onyx Physical Therapy free?
Is FunctionRx free?
Do Onyx Physical Therapy or FunctionRx have ads?
Which is updated more often, Onyx Physical Therapy or FunctionRx?
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