# Arithmetist vs 素因数分解キングダム

The clearest difference is in-app purchases: 素因数分解キングダム at none against Arithmetist's 1. 素因数分解キングダム also leads on ads (none vs shown). Arithmetist's advantage is update cadence (daily vs weekly) and iOS requirement (12.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Arithmetist sells 1 one-off in-app purchase. 素因数分解キングダム asks for nothing beyond the download.

Arithmetist ships an update daily, 素因数分解キングダム weekly. The most recent releases landed on October 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Arithmetist | 素因数分解キングダム |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Weekly |
| Size | 115 MB | 55 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Code and DESIGN inc](https://appshunter.io/developer/1172903960) | [Yuta Matsuda](https://appshunter.io/developer/1788852960) |

## What reviewers say

### Arithmetist

[App page](https://appshunter.io/ios/app/arithmetist/id6557037664)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


### 素因数分解キングダム

[App page](https://appshunter.io/ios/app/id6740195589)

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

**In-app purchases:** none


## Frequently asked questions

### Is Arithmetist free?

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

### Is 素因数分解キングダム free?

素因数分解キングダム is free to download, with no in-app purchases.

### Do Arithmetist or 素因数分解キングダム have ads?

Arithmetist shows ads; 素因数分解キングダム does not.

### Which is updated more often, Arithmetist or 素因数分解キングダム?

Arithmetist ships an update daily, and 素因数分解キングダム weekly. Most recently, Arithmetist was updated on October 30, 2026 and 素因数分解キングダム on October 14, 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.*