# コドモアルゴリズム vs REVERSI ZERO

The clearest difference is price: REVERSI ZERO at Free against コドモアルゴリズム's $2.99. REVERSI ZERO also leads on review sentiment (87% vs 73%). コドモアルゴリズム's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

REVERSI ZERO is free to download; コドモアルゴリズム costs $2.99 up front. REVERSI ZERO sells 1 one-off in-app purchase. コドモアルゴリズム asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | コドモアルゴリズム | REVERSI ZERO |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.4 (75 ratings)](https://appshunter.io/ios/app/reversi-zero/id1126032958/reviews)** |
| Number of ratings | — | **75** |
| Positive reviews | 72.7% of reviews | **86.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 80 MB | 198 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takatoshi Fukino](https://appshunter.io/developer/789538982) | [RELEASE BASE, K.K.](https://appshunter.io/developer/1380525668) |

## What reviewers say

### コドモアルゴリズム

[App page](https://appshunter.io/ios/app/id1065522987)

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

**In-app purchases:** none


### REVERSI ZERO

[App page](https://appshunter.io/ios/app/reversi-zero/id1126032958)

Experience a classic board game with multiple difficulty levels and intuitive controls. Compete with players worldwide for the highest score in a dedicated marathon mode. Enjoy a challenging and engaging gameplay experience designed for all skill levels.

**Highlights:** Up to level 75, Good operability, High score competition, Adjustable difficulty levels (Lv1-Lv50), One-hand operation, Marathon mode

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムサービス30日間 | $3.99 | one-time |


## Frequently asked questions

### Is コドモアルゴリズム free?

コドモアルゴリズム costs $2.99, with no in-app purchases.

### Is REVERSI ZERO free?

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

### Do コドモアルゴリズム or REVERSI ZERO have ads?

REVERSI ZERO shows ads; コドモアルゴリズム does not.

### Which is updated more often, コドモアルゴリズム or REVERSI ZERO?

コドモアルゴリズム ships an update monthly, and REVERSI ZERO monthly. Most recently, コドモアルゴリズム was updated on November 2, 2026 and REVERSI ZERO on November 11, 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.*