# 対局時計Simple vs Chess | Shogi Clock

The clearest difference is update cadence: Chess | Shogi Clock at every 9 days against 対局時計Simple's every 8 months. 対局時計Simple's advantage is iOS requirement (13.0 vs 17.0). On price, ads, 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.

対局時計Simple ships an update every 8 months, Chess | Shogi Clock every 9 days. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 対局時計Simple | Chess | Shogi Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 9 days** |
| Size | 64 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tsubasa Hizono](https://appshunter.io/developer/1682928043) | [NEVER KNOWS BEST](https://appshunter.io/developer/1825162328) |

## What reviewers say

### 対局時計Simple

[App page](https://appshunter.io/ios/app/simple/id6447896409)

**In-app purchases:** none


### Chess | Shogi Clock

[App page](https://appshunter.io/ios/app/chess-shogi-clock/id6749825001)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 対局時計Simple free?

対局時計Simple is free to download, with no in-app purchases.

### Is Chess | Shogi Clock free?

Chess | Shogi Clock is free to download, with no in-app purchases.

### Do 対局時計Simple or Chess | Shogi Clock have ads?

Neither 対局時計Simple nor Chess | Shogi Clock shows ads.

### Which is updated more often, 対局時計Simple or Chess | Shogi Clock?

対局時計Simple ships an update every 8 months, and Chess | Shogi Clock every 9 days. Most recently, 対局時計Simple was updated on September 22, 2026 and Chess | Shogi Clock on September 19, 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.*