# Stamina Timer vs Chess | Shogi Clock

The clearest difference is ads: Chess | Shogi Clock at none against Stamina Timer's shown. Stamina Timer's advantage is update cadence (every 5 weeks vs every 7 months) and iOS requirement (11.0 vs 17.0). 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.

Stamina Timer ships an update every 5 weeks, Chess | Shogi Clock every 7 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Stamina Timer | Chess | Shogi Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Size | 22 MB | 7 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KANA NISHI](https://appshunter.io/developer/1253410086) | [NEVER KNOWS BEST](https://appshunter.io/developer/1825162328) |

## What reviewers say

### Stamina Timer

[App page](https://appshunter.io/ios/app/stamina-timer/id1525656674)

**In-app purchases:** none


### Chess | Shogi Clock

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Stamina Timer free?

Stamina Timer 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 Stamina Timer or Chess | Shogi Clock have ads?

Stamina Timer shows ads; Chess | Shogi Clock does not.

### Which is updated more often, Stamina Timer or Chess | Shogi Clock?

Stamina Timer ships an update every 5 weeks, and Chess | Shogi Clock every 7 months. Most recently, Stamina Timer was updated on October 7, 2026 and Chess | Shogi Clock on October 15, 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.*