# Gridiron Physical Therapy vs Cornerstone PT

The clearest difference is update cadence: Gridiron Physical Therapy at every 2 months against Cornerstone PT's every 5 months. 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.

Gridiron Physical Therapy ships an update every 2 months, Cornerstone PT every 5 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Gridiron Physical Therapy | Cornerstone PT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 43 MB | 42 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Physical Therapy Partners, LLC](https://appshunter.io/developer/1810729784) | [Cornerstone Physical Therapy, LLC](https://appshunter.io/developer/1827269576) |

## What reviewers say

### Gridiron Physical Therapy

[App page](https://appshunter.io/ios/app/gridiron-physical-therapy/id6745181726)

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

**In-app purchases:** none


### Cornerstone PT

[App page](https://appshunter.io/ios/app/cornerstone-pt/id6748754954)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gridiron Physical Therapy free?

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

### Is Cornerstone PT free?

Cornerstone PT is free to download, with no in-app purchases.

### Do Gridiron Physical Therapy or Cornerstone PT have ads?

Neither Gridiron Physical Therapy nor Cornerstone PT shows ads.

### Which is updated more often, Gridiron Physical Therapy or Cornerstone PT?

Gridiron Physical Therapy ships an update every 2 months, and Cornerstone PT every 5 months. Most recently, Gridiron Physical Therapy was updated on October 25, 2026 and Cornerstone PT on October 25, 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.*