# PIER vs The Trauma App

The clearest difference is update cadence: The Trauma App at every 5 weeks against PIER's every 8 months. PIER's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 15.1). On price, 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.

PIER ships an update every 8 months, The Trauma App every 5 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PIER | The Trauma App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 70 MB | 42 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 12+ | 4+ |
| Developer | [Leicestershire Partnership NHS Trust with LHIS](https://appshunter.io/developer/1072836544) | [DaySix Ltd](https://appshunter.io/developer/1253426408) |

## What reviewers say

### PIER

[App page](https://appshunter.io/ios/app/pier/id1313722873)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Trauma App

[App page](https://appshunter.io/ios/app/the-trauma-app/id1576495091)

This digital booklet aids in major trauma care by following ATLS principles. It allows for rapid data entry, generates automated reports, and provides clinical insights. Developed with input from leading trauma centers and the Scottish Trauma Network.

**Highlights:** High-speed data capture, Automated reporting, Clinical insights, ATLS principles adherence, Co-designed with clinicians

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

**In-app purchases:** none


## Frequently asked questions

### Is PIER free?

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

### Is The Trauma App free?

The Trauma App is free to download, with no in-app purchases.

### Do PIER or The Trauma App have ads?

Neither PIER nor The Trauma App shows ads.

### Which is updated more often, PIER or The Trauma App?

PIER ships an update every 8 months, and The Trauma App every 5 weeks. Most recently, PIER was updated on October 24, 2026 and The Trauma App on October 18, 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.*