# Light GO 9x vs Tsumego Pro (Go problems)

The clearest difference is review sentiment: Tsumego Pro (Go problems) at 74% against Light GO 9x's 25%. Tsumego Pro (Go problems) also leads on rating (4.5 vs 2.9) and ratings volume (1.8K vs 7). Light GO 9x's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Light GO 9x sells 1 one-off in-app purchase and Tsumego Pro (Go problems) sells 12 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Tsumego Pro (Go problems) holds the better App Store score, 4.5 against 2.9. That said, the two scores are not equally well evidenced: Tsumego Pro (Go problems) has 1.8K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 25% of Light GO 9x's written reviews are positive against 74% of Tsumego Pro (Go problems)'s.

Light GO 9x ships an update every 6 weeks, Tsumego Pro (Go problems) every 3 weeks. The most recent releases landed on October 1, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Light GO 9x | Tsumego Pro (Go problems) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (7 ratings)](https://appshunter.io/ios/app/light-go-9x/id522237004/reviews) | **[4.5 (1.8K ratings)](https://appshunter.io/ios/app/tsumego-pro-go-problems/id892041876/reviews)** |
| Number of ratings | 7 | **1.8K** |
| Positive reviews | 25.0% of reviews | **74.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 34 MB | 14 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHIA HO KUO](https://appshunter.io/developer/433588685) | [Emmanuel Mathis](https://appshunter.io/developer/892041879) |

## What reviewers say

### Light GO 9x

[App page](https://appshunter.io/ios/app/light-go-9x/id522237004)

This is a simple 9x9 strategy board game that is easy to learn. It offers multiple ways to play, including against a computer, a local opponent, or players worldwide via Game Center. Track your progress with leaderboards and achievements.

**Highlights:** 9x9 game board, Computer opponent, Two-player mode, Online multiplayer via Game Center, Leaderboards, Achievements, Audio on/off switch

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Record Function | $0.99 | one-time |


### Tsumego Pro (Go problems)

[App page](https://appshunter.io/ios/app/tsumego-pro-go-problems/id892041876)

Enhance your Go skills with a vast library of tsumego puzzles. Learn from detailed solutions and explore variations to understand mistakes. Features daily problems, adaptive difficulty, and customizable game settings.

**Highlights:** Daily tsumego problems, Adaptive difficulty modes, Detailed solutions and bad variations, Color selection (black, white, random), Hint system, Book theme

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +150 Basic Problems | $0.99 | one-time |
| +150 Intermediate problems | $0.99 | one-time |
| +150 Easy problems | $0.99 | one-time |
| Beginner problems | $1.99 | one-time |
| Elementary problems | $1.99 | one-time |
| Intermediate problems | $1.99 | one-time |
| Advanced problems | $1.99 | one-time |
| Advanced problems #2 | $1.99 | one-time |
| Basic tesuji | $1.99 | one-time |
| Daily problems - Easy | $1.99 | one-time |
| Daily problems - Hard | $1.99 | one-time |
| All-Access Pass | $9.99 | one-time |

**What reviewers like**

- 👍 Stimulate thinking
- 👍 Minimalistic, Gets the Job Done
- 👍 Great app for learning Go on the move!
- 👍 Great app
- 👍 Amazing Go app

**What reviewers complain about**

- 🐛 Do Not Buy All-Access Pack
- 🐛 Sometimes it says resolved when black loses
- 🐛 Not for beginners, not helpful at all
- 🐛 Decent - room for improvement
- 🐛 Lacking feedback, errors, & lack of control

**Reported bugs**

- Purchases do not work
- Incorrect problems
- Issues with the progress mode and problem selection

**Requested features**

- Explanation when a move is correct or incorrect
- More explanations and instructions for beginners
- Ability to play out variations and see different outcomes
- Consistent difficulty ratings for problems
- Ability to bookmark and revisit problems


## Frequently asked questions

### Is Light GO 9x free?

Light GO 9x is free to download, with in-app purchases available.

### Is Tsumego Pro (Go problems) free?

Tsumego Pro (Go problems) is free to download, with in-app purchases available.

### Which has better reviews, Light GO 9x or Tsumego Pro (Go problems)?

Tsumego Pro (Go problems) is rated higher. Light GO 9x averages 2.9 out of 5 from 7 ratings, while Tsumego Pro (Go problems) averages 4.5 from 1.8K ratings.

### Do Light GO 9x or Tsumego Pro (Go problems) have ads?

Tsumego Pro (Go problems) shows ads; Light GO 9x does not.

### Which is updated more often, Light GO 9x or Tsumego Pro (Go problems)?

Light GO 9x ships an update every 6 weeks, and Tsumego Pro (Go problems) every 3 weeks. Most recently, Light GO 9x was updated on October 1, 2026 and Tsumego Pro (Go problems) on October 22, 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.*