# Quantum Retriever vs Professor Quantum

Quantum Retriever and Professor Quantum are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Quantum Retriever | Professor Quantum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 27 MB | 172 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [James Beach](https://appshunter.io/developer/1879362223) | [ICB LABS FZCO](https://appshunter.io/developer/6775509077) |

## 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


### Professor Quantum

[App page](https://appshunter.io/ios/app/professor-quantum/id6793537346)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quantum Retriever free?

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

### Is Professor Quantum free?

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

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

Neither Quantum Retriever nor Professor Quantum shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*