# Go Problems vs Go Challenger

The clearest difference is rating: Go Challenger at 4.7 against Go Problems's 3.2. Go Challenger also leads on review sentiment (58% vs 45%). Go Problems's advantage is ads (none vs shown) and ratings volume (15 vs 3). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Go Problems sells 10 one-off in-app purchases and Go Challenger sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Go Challenger holds the better App Store score, 4.7 against 3.2. That said, the two scores are not equally well evidenced: Go Problems has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 45% of Go Problems's written reviews are positive against 58% of Go Challenger's.

Go Problems ships an update every 2 months, Go Challenger every 5 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Go Problems | Go Challenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (15 ratings)](https://appshunter.io/ios/app/go-problems/id635778548/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/go-challenger/id6448589144/reviews)** |
| Number of ratings | **15** | 3 |
| Positive reviews | 44.8% of reviews | **58.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 36 MB | 109 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adumbration, Inc.](https://appshunter.io/developer/321326612) | [Com2uS TYGEM Corporation](https://appshunter.io/developer/336755947) |

## What reviewers say

### Go Problems

[App page](https://appshunter.io/ios/app/go-problems/id635778548)

Sharpen your Go skills with a vast collection of hand-picked problems. Track your progress, solve life and death, and tesuji challenges, and receive personalized problem recommendations based on your skill level. Daily practice is made easy with this app.

**Highlights:** Over 4,500 Go problems, Life and death and tesuji problems, Automatic rating calculation, Bookmarking favorite problems, Auto-problem mode adjusts to skill, Progress tracking by difficulty

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carpenter's Square Problem Set | $0.99 | one-time |
| Standard Problem Set 9 | $1.99 | one-time |
| Standard Problem Set 1 | $2.99 | one-time |
| Standard Problem Set 2 | $2.99 | one-time |
| Standard Problem Set 3 | $2.99 | one-time |
| Standard Problem Set 4 | $2.99 | one-time |
| Standard Problem Set 5 | $2.99 | one-time |
| Standard Problem Set 6 | $2.99 | one-time |
| Standard Problem Set 7 | $2.99 | one-time |
| Standard Problem Set 8 | $2.99 | one-time |


### 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 Go Problems free?

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

### Is Go Challenger free?

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

### Which has better reviews, Go Problems or Go Challenger?

Go Challenger is rated higher. Go Problems averages 3.2 out of 5 from 15 ratings, while Go Challenger averages 4.7 from 3 ratings.

### Do Go Problems or Go Challenger have ads?

Go Challenger shows ads; Go Problems does not.

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

Go Problems ships an update every 2 months, and Go Challenger every 5 weeks. Most recently, Go Problems was updated on October 7, 2026 and Go Challenger on October 13, 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.*