# Quantum Retriever vs Quantum Core

The clearest difference is iOS requirement: Quantum Retriever at 15.1 against Quantum Core's 18.0. 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 | Quantum Retriever | Quantum Core |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 27 MB | 30 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [James Beach](https://appshunter.io/developer/1879362223) | [Marlon Santos](https://appshunter.io/developer/1895267207) |

## What reviewers say

### Quantum Retriever

[App page](https://appshunter.io/ios/app/quantum-retriever/id6759576344)

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

**In-app purchases:** none


### Quantum Core

[App page](https://appshunter.io/ios/app/quantum-core-inside-the-atom/id6792081823)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quantum Retriever free?

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

### Is Quantum Core free?

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

### Do Quantum Retriever or Quantum Core have ads?

Neither Quantum Retriever nor Quantum Core 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.*