# 宗時ヒロシの詰将棋2 vs 定石オセロ

The clearest difference is price: 宗時ヒロシの詰将棋2 at Free against 定石オセロ's $0.99. 宗時ヒロシの詰将棋2 also leads on iOS requirement (5.1.1 vs 16.0). 定石オセロ's advantage is update cadence (every 2 months vs every 9 months). On ads, in-app purchases and device support there is nothing between them.

宗時ヒロシの詰将棋2 is free to download; 定石オセロ costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

宗時ヒロシの詰将棋2 ships an update every 9 months, 定石オセロ every 2 months. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 宗時ヒロシの詰将棋2 | 定石オセロ |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Size | 26 MB | 4 MB |
| Requires iOS | **5.1.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KukiLabo](https://appshunter.io/developer/520133513) | [satoshi amasaki](https://appshunter.io/developer/1891268722) |

## What reviewers say

### 宗時ヒロシの詰将棋2

[App page](https://appshunter.io/ios/app/2/id873067290)

**Features:** macOS Compatibility

**In-app purchases:** none


### 定石オセロ

[App page](https://appshunter.io/ios/app/id6767871447)

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

**In-app purchases:** none


## Frequently asked questions

### Is 宗時ヒロシの詰将棋2 free?

宗時ヒロシの詰将棋2 is free to download, with no in-app purchases.

### Is 定石オセロ free?

定石オセロ costs $0.99, with no in-app purchases.

### Do 宗時ヒロシの詰将棋2 or 定石オセロ have ads?

Neither 宗時ヒロシの詰将棋2 nor 定石オセロ shows ads.

### Which is updated more often, 宗時ヒロシの詰将棋2 or 定石オセロ?

宗時ヒロシの詰将棋2 ships an update every 9 months, and 定石オセロ every 2 months. Most recently, 宗時ヒロシの詰将棋2 was updated on September 8, 2026 and 定石オセロ on September 10, 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.*