# Missing Numbers Minds vs CSN Quiz

The clearest difference is in-app purchases: CSN Quiz at none against Missing Numbers Minds's 2. CSN Quiz also leads on iOS requirement (9.0 vs 26.1). Missing Numbers Minds's advantage is update cadence (every 5 months vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. Missing Numbers Minds sells 2 one-off in-app purchases. CSN Quiz asks for nothing beyond the download.

Missing Numbers Minds ships an update every 5 months, CSN Quiz every 12 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Missing Numbers Minds | CSN Quiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 12 months |
| Size | 4 MB | 162 MB |
| Requires iOS | 26.1 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juan Fullana](https://appshunter.io/developer/692107580) | [CONSEJO DE SEGURIDAD NUCLEAR](https://appshunter.io/developer/998296503) |

## What reviewers say

### Missing Numbers Minds

[App page](https://appshunter.io/ios/app/missing-numbers-minds/id980949764)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation for maintenance. | $0.99 | one-time |
| Extra for develop and maintenance | $0.99 | one-time |


### CSN Quiz

[App page](https://appshunter.io/ios/app/csn-quiz/id1354956272)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Missing Numbers Minds free?

Missing Numbers Minds is free to download, with in-app purchases available.

### Is CSN Quiz free?

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

### Do Missing Numbers Minds or CSN Quiz have ads?

Neither Missing Numbers Minds nor CSN Quiz shows ads.

### Which is updated more often, Missing Numbers Minds or CSN Quiz?

Missing Numbers Minds ships an update every 5 months, and CSN Quiz every 12 months. Most recently, Missing Numbers Minds was updated on October 26, 2026 and CSN Quiz on October 26, 2026.

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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.*