# ERW Physical Therapy vs Oxygen Fit Studio

The clearest difference is update cadence: Oxygen Fit Studio at every 2 months against ERW Physical Therapy's every 5 months. ERW Physical Therapy's advantage is iOS requirement (13.4 vs 15.1). 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.

ERW Physical Therapy ships an update every 5 months, Oxygen Fit Studio every 2 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | ERW Physical Therapy | Oxygen Fit Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (131 ratings)](https://appshunter.io/ios/app/oxygen-fit-studio/id6738583371/reviews)** |
| Number of ratings | — | **131** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 31 MB | 55 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Therapy Partner Solutions Holdings, LLC](https://appshunter.io/developer/1678509476) | [Momence, Inc.](https://appshunter.io/developer/1577856011) |

## What reviewers say

### ERW Physical Therapy

[App page](https://appshunter.io/ios/app/erw-physical-therapy/id6446630889)

**Features:** macOS Compatibility

**In-app purchases:** none


### Oxygen Fit Studio

[App page](https://appshunter.io/ios/app/oxygen-fit-studio/id6738583371)

Easily manage your fitness studio account, book classes and events, and stay connected. Send messages, view announcements, promotions, and shared content through a public feed.

**Highlights:** Account management, Class and event booking, Direct messaging, Public feed for announcements, Promotions and content sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is ERW Physical Therapy free?

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

### Is Oxygen Fit Studio free?

Oxygen Fit Studio is free to download, with no in-app purchases.

### Do ERW Physical Therapy or Oxygen Fit Studio have ads?

Neither ERW Physical Therapy nor Oxygen Fit Studio shows ads.

### Which is updated more often, ERW Physical Therapy or Oxygen Fit Studio?

ERW Physical Therapy ships an update every 5 months, and Oxygen Fit Studio every 2 months. Most recently, ERW Physical Therapy was updated on November 3, 2026 and Oxygen Fit Studio on November 8, 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.*