# Tsumego Pro (Go problems) vs just25

The clearest difference is rating: just25 at 5.0 against Tsumego Pro (Go problems)'s 4.5. just25 also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). Tsumego Pro (Go problems)'s advantage is ratings volume (1.8K vs 3) and device support (3 vs 1). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. Tsumego Pro (Go problems) sells 12 one-off in-app purchases and just25 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

just25 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Tsumego Pro (Go problems) has 1.8K ratings behind it against 3, so its average is the more settled of the two.

Tsumego Pro (Go problems) ships an update every 3 weeks, just25 every 2 days. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Tsumego Pro (Go problems) | just25 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.8K ratings)](https://appshunter.io/ios/app/tsumego-pro-go-problems/id892041876/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/just25/id6758323002/reviews)** |
| Number of ratings | **1.8K** | 3 |
| Positive reviews | 74.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 3 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Emmanuel Mathis](https://appshunter.io/developer/892041879) | [DaSecure Solutions LLC](https://appshunter.io/developer/1367132705) |

## What reviewers say

### 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


### just25

[App page](https://appshunter.io/ios/app/just25/id6758323002)

Engage in a rapid timing challenge to test your speed and precision. Improve cognitive skills like peripheral vision and focus while competing on leaderboards. Enjoy a native iOS experience with satisfying feedback.

**Highlights:** Fast-paced timing challenges, Personal leaderboard, Satisfying audio feedback, Historical performance tracking, Simple, intuitive gameplay, Native iOS experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plays | $0.99 | one-time |


## Frequently asked questions

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

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

### Is just25 free?

just25 is free to download, with in-app purchases available.

### Which has better reviews, Tsumego Pro (Go problems) or just25?

just25 is rated higher. Tsumego Pro (Go problems) averages 4.5 out of 5 from 1.8K ratings, while just25 averages 5.0 from 3 ratings.

### Do Tsumego Pro (Go problems) or just25 have ads?

Tsumego Pro (Go problems) shows ads; just25 does not.

### Which is updated more often, Tsumego Pro (Go problems) or just25?

Tsumego Pro (Go problems) ships an update every 3 weeks, and just25 every 2 days. Most recently, Tsumego Pro (Go problems) was updated on October 22, 2026 and just25 on October 19, 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.*