# HPS 2025 vs ReactorN

The clearest difference is iOS requirement: HPS 2025 at 13.4 against ReactorN's 17.0. 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.

## The numbers

| Metric | HPS 2025 | ReactorN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 51 MB | 5 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [HEALTH PHYSICS SOCIETY INC](https://appshunter.io/developer/1404529943) | [TYH DANIEL MC LEAN](https://appshunter.io/developer/1883832348) |

## What reviewers say

### HPS 2025

[App page](https://appshunter.io/ios/app/hps-2025/id6747456762)

**Features:** macOS Compatibility

**In-app purchases:** none


### ReactorN

[App page](https://appshunter.io/ios/app/reactorn/id6760489710)

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

**In-app purchases:** none


## Frequently asked questions

### Is HPS 2025 free?

HPS 2025 is free to download, with no in-app purchases.

### Is ReactorN free?

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

### Do HPS 2025 or ReactorN have ads?

Neither HPS 2025 nor ReactorN shows ads.

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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.*