# PolyChain vs Quantum LMS

The clearest difference is device support: Quantum LMS at 3 against PolyChain's —. On price, in-app purchases and iOS requirement 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 | PolyChain | Quantum LMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 4 months |
| Size | 13 MB | 53 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Hong Kong Polytechnic University](https://appshunter.io/developer/442903588) | [QUANTUM FOR INFORMATION TECHNOLOGY](https://appshunter.io/developer/1486854639) |

## What reviewers say

### PolyChain

[App page](https://appshunter.io/ios/app/polychain/id6444431184)

**In-app purchases:** none


### Quantum LMS

[App page](https://appshunter.io/ios/app/quantum-lms/id6474442482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PolyChain free?

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

### Is Quantum LMS free?

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

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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.*