# Complicated problem solving vs Qurious

The clearest difference is price: Complicated problem solving at Free against Qurious's $2.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Complicated problem solving is free to download; Qurious costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Complicated problem solving | Qurious |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 48 MB | 27 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [梅仙 张](https://appshunter.io/developer/1844499832) |

## What reviewers say

### Complicated problem solving

[App page](https://appshunter.io/ios/app/complicated-problem-solving/id1526663206)

**Features:** macOS Compatibility

**In-app purchases:** none


### Qurious

[App page](https://appshunter.io/ios/app/qurious-why/id6767553566)

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

**In-app purchases:** none


## Frequently asked questions

### Is Complicated problem solving free?

Complicated problem solving is free to download, with no in-app purchases.

### Is Qurious free?

Qurious costs $2.99, with no in-app purchases.

### Do Complicated problem solving or Qurious have ads?

Neither Complicated problem solving nor Qurious shows ads.

---

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