# DE vs Quantum Quack

The clearest difference is price: Quantum Quack at Free against DE's $0.99. Quantum Quack also leads on iOS requirement (15.0 vs 17.2). On ads, in-app purchases and device support there is nothing between them.

Quantum Quack is free to download; DE costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | DE | Quantum Quack |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | Paid | — |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tino Bahr](https://appshunter.io/developer/1734175117) | [Morgan Facchin](https://appshunter.io/developer/1762455635) |

## What reviewers say

### DE

[App page](https://appshunter.io/ios/app/de-radiation/id6480473182)

This app displays real-time and historical radiation measurements from stations across Germany. It allows users to find nearby stations, view their operational status, and access data up to 365 days in the past. The information is sourced from the ODL monitoring network.

**Highlights:** Interactive radiation map, View current and past measurements, Find nearest measurement station, Check station operational status, Access 365 days of historical data

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantum Quack

[App page](https://appshunter.io/ios/app/quantum-quack/id6630387948)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DE free?

DE costs $0.99, with no in-app purchases.

### Is Quantum Quack free?

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

### Do DE or Quantum Quack have ads?

Neither DE nor Quantum Quack 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.*