# Game's Clock vs Go Challenger

The clearest difference is rating: Go Challenger at 4.7 against Game's Clock's 4.0. Go Challenger also leads on update cadence (every 5 weeks vs every 20 months) and review sentiment (61% vs 50%). Game's Clock's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Go Challenger sells 5 one-off in-app purchases. Game's Clock asks for nothing beyond the download.

Go Challenger holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 50% of Game's Clock's written reviews are positive against 61% of Go Challenger's.

Game's Clock ships an update every 20 months, Go Challenger every 5 weeks. The most recent releases landed on September 3, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Game's Clock | Go Challenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/games-clock/id1061983202/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/go-challenger/id6448589144/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 50.0% of reviews | **60.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 109 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JongHyun Lee](https://appshunter.io/developer/1061983200) | [Com2uS TYGEM Corporation](https://appshunter.io/developer/336755947) |

## What reviewers say

### Game's Clock

[App page](https://appshunter.io/ios/app/games-clock/id1061983202)

This application functions as a timer for board games like Go, Chinese Chess, and traditional chess. It provides voice alerts for the final 10 seconds of a countdown, adhering to Go rules.

**Highlights:** Countdown timer for board games, Supports Go, Chinese Chess, and Chess, Voice alerts for final 10 seconds, Customizable countdown based on game rules

**In-app purchases:** none


### Go Challenger

[App page](https://appshunter.io/ios/app/go-challenger/id6448589144)

Enhance your Go skills with daily Life & Death quizzes and AI-powered move analysis. Practice thousands of problems tailored to your level, compete globally, and test your abilities.

**Highlights:** AI-powered move analysis, 5,000+ Life & Death quizzes, Daily tailored quizzes, Global user competition, Level testing, Customizable Go stones and boards

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Key Single Item 1 | $1.99 | one-time |
| Ad Removal Item | $1.99 | one-time |
| Key Single Item 2 | $3.99 | one-time |
| Monthly limitation | $5.99 | one-time |
| Key Single Item 3 | $19.99 | one-time |


## Frequently asked questions

### Is Game's Clock free?

Game's Clock is free to download, with no in-app purchases.

### Is Go Challenger free?

Go Challenger is free to download, with in-app purchases available.

### Which has better reviews, Game's Clock or Go Challenger?

Go Challenger is rated higher. Game's Clock averages 4.0 out of 5 from 1 ratings, while Go Challenger averages 4.7 from 3 ratings.

### Do Game's Clock or Go Challenger have ads?

Go Challenger shows ads; Game's Clock does not.

### Which is updated more often, Game's Clock or Go Challenger?

Game's Clock ships an update every 20 months, and Go Challenger every 5 weeks. Most recently, Game's Clock was updated on September 3, 2026 and Go Challenger on September 25, 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.*