# Fun and practical knowledge vs Million Why Questions

The clearest difference is in-app purchases: Million Why Questions at none against Fun and practical knowledge's 1. Fun and practical knowledge's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Fun and practical knowledge sells 1 one-off in-app purchase. Million Why Questions asks for nothing beyond the download.

Fun and practical knowledge ships an update every 10 days, Million Why Questions every 2 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Fun and practical knowledge | Million Why Questions |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 200 MB | 126 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [Hung Nguyen Kim](https://appshunter.io/developer/1702395965) |

## What reviewers say

### Fun and practical knowledge

[App page](https://appshunter.io/ios/app/fun-and-practical-knowledge/id1619591485)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $0.99 | one-time |


### Million Why Questions

[App page](https://appshunter.io/ios/app/million-why-questions/id6670214322)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fun and practical knowledge free?

Fun and practical knowledge is free to download, with in-app purchases available.

### Is Million Why Questions free?

Million Why Questions is free to download, with no in-app purchases.

### Do Fun and practical knowledge or Million Why Questions have ads?

Million Why Questions shows ads; Fun and practical knowledge does not.

### Which is updated more often, Fun and practical knowledge or Million Why Questions?

Fun and practical knowledge ships an update every 10 days, and Million Why Questions every 2 weeks. Most recently, Fun and practical knowledge was updated on October 30, 2026 and Million Why Questions on October 30, 2026.

---

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