# PRN Graph vs Trauma.nl (NVT)

The clearest difference is update cadence: PRN Graph at every 3 months against Trauma.nl (NVT)'s every 23 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.

PRN Graph ships an update every 3 months, Trauma.nl (NVT) every 23 months. The most recent releases landed on September 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PRN Graph | Trauma.nl (NVT) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 23 months |
| Size | 6 MB | 88 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Glamorous Goat B.V.](https://appshunter.io/developer/843276618) | [MEDonline International b.v.](https://appshunter.io/developer/577430965) |

## What reviewers say

### PRN Graph

[App page](https://appshunter.io/ios/app/prn-graph/id843276615)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trauma.nl (NVT)

[App page](https://appshunter.io/ios/app/traumanl-nvt/id1481324144)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PRN Graph free?

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

### Is Trauma.nl (NVT) free?

Trauma.nl (NVT) is free to download, with no in-app purchases.

### Do PRN Graph or Trauma.nl (NVT) have ads?

Neither PRN Graph nor Trauma.nl (NVT) shows ads.

### Which is updated more often, PRN Graph or Trauma.nl (NVT)?

PRN Graph ships an update every 3 months, and Trauma.nl (NVT) every 23 months. Most recently, PRN Graph was updated on September 8, 2026 and Trauma.nl (NVT) on October 12, 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.*