# Cornerstone PT vs Trident Portal

Cornerstone PT and Trident Portal are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Cornerstone PT ships an update every 5 months, Trident Portal every 4 months. Both last shipped on October 16, 2026.

## The numbers

| Metric | Cornerstone PT | Trident Portal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Size | 42 MB | 44 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Cornerstone Physical Therapy, LLC](https://appshunter.io/developer/1827269576) | [Trident Portal](https://appshunter.io/developer/1832537306) |

## What reviewers say

### Cornerstone PT

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Trident Portal

[App page](https://appshunter.io/ios/app/trident-portal/id6749868828)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cornerstone PT free?

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

### Is Trident Portal free?

Trident Portal is free to download, with no in-app purchases.

### Do Cornerstone PT or Trident Portal have ads?

Neither Cornerstone PT nor Trident Portal shows ads.

### Which is updated more often, Cornerstone PT or Trident Portal?

Cornerstone PT ships an update every 5 months, and Trident Portal every 4 months. Most recently, Cornerstone PT was updated on October 16, 2026 and Trident Portal on October 16, 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.*