# Missing Numbers Minds vs Arithmetist

The clearest difference is update cadence: Arithmetist at every 10 days against Missing Numbers Minds's every 5 months. Arithmetist also leads on iOS requirement (11.0 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Missing Numbers Minds sells 2 one-off in-app purchases and Arithmetist sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Missing Numbers Minds ships an update every 5 months, Arithmetist every 10 days. Both last shipped on October 26, 2026.

## The numbers

| Metric | Missing Numbers Minds | Arithmetist |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Size | 4 MB | 16 MB |
| Requires iOS | 26.1 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juan Fullana](https://appshunter.io/developer/692107580) | [NKDL vGmbH](https://appshunter.io/developer/1451456538) |

## 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 |


### Arithmetist

[App page](https://appshunter.io/ios/app/arithmetist/id1451456539)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arithmetist Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Missing Numbers Minds free?

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

### Is Arithmetist free?

Arithmetist is free to download, with in-app purchases available.

### Do Missing Numbers Minds or Arithmetist have ads?

Neither Missing Numbers Minds nor Arithmetist shows ads.

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

Missing Numbers Minds ships an update every 5 months, and Arithmetist every 10 days. Most recently, Missing Numbers Minds was updated on October 26, 2026 and Arithmetist 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.*