# 素因数分解キングダム vs 色当て1/2ゲーム | 今日の優勝者は君かも？

The clearest difference is ads: 素因数分解キングダム at none against 色当て1/2ゲーム | 今日の優勝者は君かも？'s shown. 色当て1/2ゲーム | 今日の優勝者は君かも？'s advantage is update cadence (every 2 days vs weekly) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

素因数分解キングダム ships an update weekly, 色当て1/2ゲーム | 今日の優勝者は君かも？ every 2 days. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 素因数分解キングダム | 色当て1/2ゲーム | 今日の優勝者は君かも？ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 55 MB | 132 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuta Matsuda](https://appshunter.io/developer/1788852960) | [Ryosuke Nakamura](https://appshunter.io/developer/1560811877) |

## What reviewers say

### 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


### 色当て1/2ゲーム | 今日の優勝者は君かも？

[App page](https://appshunter.io/ios/app/12/id6742530867)

Predict whether the next color will be blue or red. Guess correctly to double your points, or lose half for an incorrect prediction. The player with the most points at the end of the day wins.

**Highlights:** Color prediction gameplay, Point doubling for correct guesses, Point halving for incorrect guesses, Daily high score competition, Simple and intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 色当て1/2ゲーム | 今日の優勝者は君かも？ free?

色当て1/2ゲーム | 今日の優勝者は君かも？ is free to download, with no in-app purchases.

### Do 素因数分解キングダム or 色当て1/2ゲーム | 今日の優勝者は君かも？ have ads?

色当て1/2ゲーム | 今日の優勝者は君かも？ shows ads; 素因数分解キングダム does not.

### Which is updated more often, 素因数分解キングダム or 色当て1/2ゲーム | 今日の優勝者は君かも？?

素因数分解キングダム ships an update weekly, and 色当て1/2ゲーム | 今日の優勝者は君かも？ every 2 days. Most recently, 素因数分解キングダム was updated on October 14, 2026 and 色当て1/2ゲーム | 今日の優勝者は君かも？ on October 13, 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.*