# RapZap chess clock vs Chess Clock

The clearest difference is in-app purchases: Chess Clock at none against RapZap chess clock's 2. RapZap chess clock's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. RapZap chess clock sells 2 one-off in-app purchases. Chess Clock asks for nothing beyond the download.

RapZap chess clock ships an update fortnightly, Chess Clock every 2 months. The most recent releases landed on September 24, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | RapZap chess clock | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/rapzap-chess-clock/id698997453/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 6 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Mattheus](https://appshunter.io/developer/698997461) | [Nandha Kumar Ravi](https://appshunter.io/developer/1430918680) |

## What reviewers say

### RapZap chess clock

[App page](https://appshunter.io/ios/app/rapzap-chess-clock/id698997453)

A simple and easy-to-use timer for two-player board games like Chess, Go, and Checkers. Offers basic time options for free, with additional features available through in-app purchases.

**Highlights:** Two-player game timer, Supports Chess, Go, Checkers, Simple interface, Basic time options (15, 45, 60 min), In-app purchase for more options

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Time Package (5 minutes and 30 minutes games) | $1.99 | one-time |


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-timer/id6477877344)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RapZap chess clock free?

RapZap chess clock is free to download, with in-app purchases available.

### Is Chess Clock free?

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

### Do RapZap chess clock or Chess Clock have ads?

Chess Clock shows ads; RapZap chess clock does not.

### Which is updated more often, RapZap chess clock or Chess Clock?

RapZap chess clock ships an update fortnightly, and Chess Clock every 2 months. Most recently, RapZap chess clock was updated on September 24, 2026 and Chess Clock on September 27, 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.*