# Tsumego Pro (Go problems) vs Chess Timer

The clearest difference is ads: Chess Timer at none against Tsumego Pro (Go problems)'s shown. Tsumego Pro (Go problems)'s advantage is review sentiment (74% vs 43%) and update cadence (every 3 weeks vs every 11 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Tsumego Pro (Go problems) sells 12 one-off in-app purchases and Chess Timer sells 1 one-off in-app purchase. 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 4.3. That said, the two scores are not equally well evidenced: Tsumego Pro (Go problems) has 1.8K ratings behind it against 55, so its average is the more settled of the two. Written reviews point the same way: 74% of Tsumego Pro (Go problems)'s written reviews are positive against 43% of Chess Timer's.

Tsumego Pro (Go problems) ships an update every 3 weeks, Chess Timer every 11 months. The most recent releases landed on September 26, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Tsumego Pro (Go problems) | Chess Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.8K ratings)](https://appshunter.io/ios/app/tsumego-pro-go-problems/id892041876/reviews)** | [4.3 (55 ratings)](https://appshunter.io/ios/app/chess-timer/id1208199658/reviews) |
| Number of ratings | **1.8K** | 55 |
| Positive reviews | **74.1% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 11 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 2 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emmanuel Mathis](https://appshunter.io/developer/892041879) | [DAVID CROOKS SOFTWARE DEVELOPMENT LIMITED](https://appshunter.io/developer/1654030206) |

## 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


### Chess Timer

[App page](https://appshunter.io/ios/app/chess-timer/id1208199658)

A straightforward dual timer designed for over-the-board chess and other two-player competitive games. It allows for customizable time increments, delays, and overtime limits, functioning as a simple chess clock or for games like Scrabble and Go.

**Highlights:** Dual timer for two-player games, Fischer, Bronstein, and simple delay increments, Overtime limits with penalties, Supports games like Scrabble and Go, Intuitive tap-to-switch interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Timer Pro | $2.99 | 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 Chess Timer free?

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

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

Tsumego Pro (Go problems) is rated higher. Tsumego Pro (Go problems) averages 4.5 out of 5 from 1.8K ratings, while Chess Timer averages 4.3 from 55 ratings.

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

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

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

Tsumego Pro (Go problems) ships an update every 3 weeks, and Chess Timer every 11 months. Most recently, Tsumego Pro (Go problems) was updated on September 26, 2026 and Chess Timer on September 11, 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.*