# Game Clock Pro vs Tangdou Go

The clearest difference is price: Tangdou Go at Free against Game Clock Pro's $2.99. Tangdou Go also leads on update cadence (every 3 days vs every 3 months). Game Clock Pro's advantage is review sentiment (100% vs 86%) and iOS requirement (15.6 vs 18.1). On ads, in-app purchases and device support there is nothing between them.

Tangdou Go is free to download; Game Clock Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Game Clock Pro ships an update every 3 months, Tangdou Go every 3 days. The most recent releases landed on September 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Game Clock Pro | Tangdou Go |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tangdou-go/id6765623744/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 138 MB |
| Requires iOS | **15.6** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Engin Yazilan](https://appshunter.io/developer/1773339613) | [北京泽齐科技有限公司](https://appshunter.io/developer/1896014078) |

## What reviewers say

### Game Clock Pro

[App page](https://appshunter.io/ios/app/game-clock-pro/id6736820083)

A professional and elegant game clock designed for competitive turn-based games like Chess, Go, and Shogi. Offers tournament-grade accuracy, multiple time systems, and customizable alerts with a premium design and ultra battery efficiency.

**Highlights:** Tournament-grade accuracy, Professional time systems (Fischer, Bronstein, Byoyomi), Premium customizable themes, Ultra battery efficient design, Customizable alerts (beep, voice, silent), Save custom time control presets, Haptic feedback

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

**In-app purchases:** none


### Tangdou Go

[App page](https://appshunter.io/ios/app/tangdou-go/id6765623744)

This app offers a comprehensive Go experience, allowing users to play online matches, practice against AI, and analyze their games. It provides tools for reviewing past games with detailed statistics and browsing game records to facilitate continuous improvement.

**Highlights:** Online Go matches, AI opponent challenges, AI game analysis, Win-rate charts, Game record browsing, Go club integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Game Clock Pro free?

Game Clock Pro costs $2.99, with no in-app purchases.

### Is Tangdou Go free?

Tangdou Go is free to download, with no in-app purchases.

### Do Game Clock Pro or Tangdou Go have ads?

Neither Game Clock Pro nor Tangdou Go shows ads.

### Which is updated more often, Game Clock Pro or Tangdou Go?

Game Clock Pro ships an update every 3 months, and Tangdou Go every 3 days. Most recently, Game Clock Pro was updated on September 24, 2026 and Tangdou Go on September 26, 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.*