# Modern Chess Clock vs Chess Timer

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

Both are free to download. Chess Timer sells 3 in-app purchases, starting at $0.99 per 7 days. Modern Chess Clock asks for nothing beyond the download.

Modern Chess Clock ships an update every 10 days, Chess Timer every 3 weeks. The most recent releases landed on June 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Modern Chess Clock | Chess Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/chess-timer-clock/id6673919458/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 76.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 9 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nurullah Bilgin](https://appshunter.io/developer/1638320664) | [Andy Sutanto](https://appshunter.io/developer/1659282966) |

## What reviewers say

### Modern Chess Clock

[App page](https://appshunter.io/ios/app/modern-chess-clock/id1638320662)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Timer

[App page](https://appshunter.io/ios/app/chess-timer-clock/id6673919458)

This app provides precise time management for chess players, offering various time controls and dual-player tracking. It helps players train for tournaments, sharpen skills, and ensures fair gameplay with customizable settings and low-time alerts.

**Highlights:** Accurate time controls, Dual player time tracking, Multiple time formats, Customizable time settings, Low time alert, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Clock Pro - 1W | $0.99 | per 7 days |
| Chess Alarm Pro - 1Y | $9.99 | per year |
| Chess Timer Pro | $19.99 | one-time |


## Frequently asked questions

### Is Modern Chess Clock free?

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

### Is Chess Timer free?

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

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

Chess Timer shows ads; Modern Chess Clock does not.

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

Modern Chess Clock ships an update every 10 days, and Chess Timer every 3 weeks. Most recently, Modern Chess Clock was updated on June 10, 2026 and Chess Timer on September 8, 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.*