# Problem Neighbour vs quantum hangul

The clearest difference is ads: quantum hangul at none against Problem Neighbour's shown. Problem Neighbour's advantage is iOS requirement (11.0 vs 16.0). On price, 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 | Problem Neighbour | quantum hangul |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 167 MB | 0 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Engin Ulukurtlar](https://appshunter.io/developer/1546844868) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Problem Neighbour

[App page](https://appshunter.io/ios/app/problem-neighbour/id1599732242)

**Features:** macOS Compatibility

**In-app purchases:** none


### quantum hangul

[App page](https://appshunter.io/ios/app/quantum-hangul/id6499096185)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Problem Neighbour free?

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

### Is quantum hangul free?

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

### Do Problem Neighbour or quantum hangul have ads?

Problem Neighbour shows ads; quantum hangul does not.

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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.*