# GoGrinari vs Go Challenger

The clearest difference is in-app purchases: GoGrinari at none against Go Challenger's 5. GoGrinari also leads on ads (none vs shown). Go Challenger's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

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

GoGrinari ships an update every 4 weeks, Go Challenger every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | GoGrinari | Go Challenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/go-challenger/id6448589144/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 58.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 109 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rosat David](https://appshunter.io/developer/1576337935) | [Com2uS TYGEM Corporation](https://appshunter.io/developer/336755947) |

## What reviewers say

### GoGrinari

[App page](https://appshunter.io/ios/app/gogrinari/id1576337933)

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

**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 GoGrinari free?

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

### Is Go Challenger free?

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

### Do GoGrinari or Go Challenger have ads?

Go Challenger shows ads; GoGrinari does not.

### Which is updated more often, GoGrinari or Go Challenger?

GoGrinari ships an update every 4 weeks, and Go Challenger every 5 weeks. Most recently, GoGrinari was updated on November 3, 2026 and Go Challenger on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*