# Chess Clock Timer vs Grandmaster Chess Clock

The clearest difference is in-app purchases: Chess Clock Timer at none against Grandmaster Chess Clock's 3. Chess Clock Timer also leads on ads (none vs shown). Grandmaster Chess Clock's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.2). On price and update cadence there is nothing between them.

Both are free to download. Grandmaster Chess Clock sells 3 in-app purchases, starting at $4.99 per month. Chess Clock Timer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on September 11, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | Chess Clock Timer | Grandmaster Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grandmaster-chess-clock/id6746950623/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | — | Ad-supported |
| Size | 3 MB | 44 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Hutton](https://appshunter.io/developer/1670080070) | [Aras Atakligan](https://appshunter.io/developer/1819101189) |

## What reviewers say

### Chess Clock Timer

[App page](https://appshunter.io/ios/app/chess-clock-timer/id6746334126)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grandmaster Chess Clock

[App page](https://appshunter.io/ios/app/grandmaster-chess-clock/id6746950623)

This app provides precise timing for chess games, supporting various time controls and offering detailed game history tracking. It allows users to record, share, and analyze their games, making it ideal for tournament players and enthusiasts looking to improve their time management.

**Highlights:** Versatile time controls (Rapid, Blitz, Bullet), Customizable time settings with increment/delay, Automatic game recording and detailed statistics, Share and export game records and history, Tournament-ready precision timing, Elegant dark theme and intuitive interface, Multi-language support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clock Pro Monthly | $4.99 | per month |
| Clock Pro Annual | $24.99 | per year |
| Clock Pro Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is Chess Clock Timer free?

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

### Is Grandmaster Chess Clock free?

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

### Do Chess Clock Timer or Grandmaster Chess Clock have ads?

Grandmaster Chess Clock shows ads; Chess Clock Timer does not.

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

Chess Clock Timer ships an update every 2 days, and Grandmaster Chess Clock every 2 days. Most recently, Chess Clock Timer was updated on September 11, 2026 and Grandmaster Chess Clock on July 21, 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.*