# Amath Clock vs Chess Game Clock Timer

The clearest difference is ads: Amath Clock at none against Chess Game Clock Timer's shown. Amath Clock also leads on update cadence (every 10 days vs monthly) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Amath Clock sells 1 in-app purchase, starting at $1.99 per year and Chess Game Clock Timer sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Amath Clock ships an update every 10 days, Chess Game Clock Timer monthly. The most recent releases landed on July 7, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Amath Clock | Chess Game Clock Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/amath-clock/id1438428568/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Freemium | — |
| Size | 39 MB | 46 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Piyawat Rakrawee](https://appshunter.io/developer/1438428567) | [Vasilii Polovnikov](https://appshunter.io/developer/1716165883) |

## What reviewers say

### Amath Clock

[App page](https://appshunter.io/ios/app/amath-clock/id1438428568)

This app functions as a chess clock, supporting multiple players and offering customizable features like negative countdowns and round tracking. It includes a score calculator for two players and provides audio alerts. A premium subscription unlocks additional functionalities.

**Highlights:** Supports 2-4 players with custom names, Negative countdown mode, Round counter, Score calculator for 2 players, Audio alerts for button presses and time expiration, Full-screen mode, Adjustable player name size

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Pro | $1.99 | per year |


### Chess Game Clock Timer

[App page](https://appshunter.io/ios/app/chess-game-clock-timer/id6772555008)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium · 1 week | $0.99 | per 7 days |
| Premium · 1 month | $1.99 | per month |
| Premium · 1 year | $9.99 | per year |
| Premium · Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Amath Clock free?

Amath Clock is free to download, with in-app purchases available.

### Is Chess Game Clock Timer free?

Chess Game Clock Timer is free to download, with in-app purchases available.

### Do Amath Clock or Chess Game Clock Timer have ads?

Chess Game Clock Timer shows ads; Amath Clock does not.

### Which is updated more often, Amath Clock or Chess Game Clock Timer?

Amath Clock ships an update every 10 days, and Chess Game Clock Timer monthly. Most recently, Amath Clock was updated on July 7, 2026 and Chess Game Clock Timer 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.*