# The Diamond Method vs ERW Physical Therapy

The clearest difference is iOS requirement: ERW Physical Therapy at 13.4 against The Diamond Method's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

The Diamond Method ships an update every 6 months, ERW Physical Therapy every 5 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | The Diamond Method | ERW Physical Therapy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-diamond-method/id1391113285/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 46 MB | 31 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [PT Wired, Inc.](https://appshunter.io/developer/1175316334) | [Therapy Partner Solutions Holdings, LLC](https://appshunter.io/developer/1678509476) |

## What reviewers say

### The Diamond Method

[App page](https://appshunter.io/ios/app/the-diamond-method/id1391113285)

Access your personalized exercise routines with instructional videos and track your progress with awards. Securely message your provider and book appointments. Integrates with your device's health data to monitor activity.

**Highlights:** Personalized Home Exercise Program, HD Instructional Videos, Secure Messaging with Provider, Progress Tracking with Awards, Appointment Booking, Health App Integration

**Features:** macOS Compatibility

**In-app purchases:** none


### ERW Physical Therapy

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Diamond Method free?

The Diamond Method is free to download, with no in-app purchases.

### Is ERW Physical Therapy free?

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

### Do The Diamond Method or ERW Physical Therapy have ads?

Neither The Diamond Method nor ERW Physical Therapy shows ads.

### Which is updated more often, The Diamond Method or ERW Physical Therapy?

The Diamond Method ships an update every 6 months, and ERW Physical Therapy every 5 months. Most recently, The Diamond Method was updated on October 13, 2026 and ERW Physical Therapy on October 2, 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.*