# NHS ConfedExpo vs Pyrexia

The clearest difference is device support: Pyrexia at 3 against NHS ConfedExpo's 1. Pyrexia also leads on iOS requirement (15.1 vs 17.0). 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.

NHS ConfedExpo ships an update monthly, Pyrexia every 4 weeks. The most recent releases landed on September 30, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | NHS ConfedExpo | Pyrexia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Size | 59 MB | 55 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [NHS Confederation](https://appshunter.io/developer/1355668119) | [Pyrexia Ltd](https://appshunter.io/developer/6777339108) |

## What reviewers say

### NHS ConfedExpo

[App page](https://appshunter.io/ios/app/nhs-confedexpo/id6741153701)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pyrexia

[App page](https://appshunter.io/ios/app/pyrexia/id6777339106)

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

**In-app purchases:** none


## Frequently asked questions

### Is NHS ConfedExpo free?

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

### Is Pyrexia free?

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

### Do NHS ConfedExpo or Pyrexia have ads?

Neither NHS ConfedExpo nor Pyrexia shows ads.

### Which is updated more often, NHS ConfedExpo or Pyrexia?

NHS ConfedExpo ships an update monthly, and Pyrexia every 4 weeks. Most recently, NHS ConfedExpo was updated on September 30, 2026 and Pyrexia 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.*