# Chess Clock vs Ai Cờ Tướng

The clearest difference is in-app purchases: Ai Cờ Tướng at none against Chess Clock's 3. Ai Cờ Tướng also leads on iOS requirement (17.0 vs 26.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chess Clock sells 3 in-app purchases, starting at $1.99 per month. Ai Cờ Tướng asks for nothing beyond the download.

Chess Clock ships an update fortnightly, Ai Cờ Tướng every 8 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Chess Clock | Ai Cờ Tướng |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Size | 18 MB | 37 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Naveen Mathivanan](https://appshunter.io/developer/1870850926) | [Minh Cao](https://appshunter.io/developer/1851429200) |

## What reviewers say

### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-dual-timer/id6797176383)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Clock Pro Monthly | $1.99 | per month |
| Chess Clock Pro Annual | $9.99 | per year |
| Chess Clock Pro Lifetime | $14.99 | one-time |


### Ai Cờ Tướng

[App page](https://appshunter.io/ios/app/ai-co-tuong/id6811558979)

**In-app purchases:** none


## Frequently asked questions

### Is Chess Clock free?

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

### Is Ai Cờ Tướng free?

Ai Cờ Tướng is free to download, with no in-app purchases.

### Do Chess Clock or Ai Cờ Tướng have ads?

Neither Chess Clock nor Ai Cờ Tướng shows ads.

### Which is updated more often, Chess Clock or Ai Cờ Tướng?

Chess Clock ships an update fortnightly, and Ai Cờ Tướng every 8 days. Most recently, Chess Clock was updated on October 24, 2026 and Ai Cờ Tướng on October 9, 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.*