# Missing Numbers Minds vs Rimt World School

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

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

Missing Numbers Minds ships an update every 5 months, Rimt World School every 3 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Missing Numbers Minds | Rimt World School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 4 MB | 31 MB |
| Requires iOS | 26.1 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juan Fullana](https://appshunter.io/developer/692107580) | [Gaurav Rana](https://appshunter.io/developer/1325473039) |

## 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 |


### Rimt World School

[App page](https://appshunter.io/ios/app/rimt-world-school/id1459788000)

**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 Rimt World School free?

Rimt World School is free to download, with no in-app purchases.

### Do Missing Numbers Minds or Rimt World School have ads?

Neither Missing Numbers Minds nor Rimt World School shows ads.

### Which is updated more often, Missing Numbers Minds or Rimt World School?

Missing Numbers Minds ships an update every 5 months, and Rimt World School every 3 months. Most recently, Missing Numbers Minds was updated on October 26, 2026 and Rimt World School on November 3, 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.*