Tsumego Pro (Go problems) vs just25
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Tsumego Pro (Go problems)
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.
- Daily tsumego problems
- Adaptive difficulty modes
- Detailed solutions and bad variations
- Color selection (black, white, random)
- Hint system
- Book theme
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Improve your Go game (weiqi, baduk) with Tsumego Pro and its large collection of tsumego problems! Each problem contains all valid answers and a lot of bad variations, to help you know why you are wrong. Features: - 6 daily problems - A simple mode: try to solve all problems in each package - A progress mode: the difficulty increases or decreases depending on your level - Choose your color (black, white, random) - Browse the solution, or just get a hint - A book theme (black and white)
just25
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.
- Fast-paced timing challenges
- Personal leaderboard
- Satisfying audio feedback
- Historical performance tracking
- Simple, intuitive gameplay
- Native iOS experience
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just25 is the ultimate test of speed and precision. Race against time to complete challenges as quickly as possible and climb the leaderboard. just25 will help peripheral vision, faster processing speed, enhanced selective attention (focus), and better reading speed by reducing eye movement Key Features: • Fast-paced timing challenges • Personal leaderboard to track your progress • Satisfying audio feedback • Historical performance tracking • Simple, intuitive gameplay • Native iOS experience Perfect For: Quick gaming sessions during breaks Competing with friends for best times Improving your reaction speed and focus Anyone who loves a good challenge The clock is ticking. How fast can you go? From DaSecure Solutions - makers of PassQR, iotpush, and other productivity apps.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Tsumego Pro (Go problems) | just25 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (1.8K ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 74.1% of reviews | — |
| Number of ratings | 1.8K — better | 3 |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 14 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Emmanuel Mathis | DaSecure Solutions LLC |
Customer experience
Tsumego Pro (Go problems)
just25
Bugs and requests
Tsumego Pro (Go problems)
Reported bugs
3 issues- Purchases do not work
- Incorrect problems
- Issues with the progress mode and problem selection
Requested features
6 requests- 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
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- More content and problem sets
just25
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tsumego Pro (Go problems)
- +150 Basic Problems$0.99
- +150 Intermediate problems$0.99
- +150 Easy problems$0.99
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- Beginner problems$1.99
- Elementary problems$1.99
- Intermediate problems$1.99
- Advanced problems$1.99
- Advanced problems #2$1.99
- Basic tesuji$1.99
- Daily problems - Easy$1.99
- Daily problems - Hard$1.99
- All-Access Pass$9.99
just25
- Unlimited Plays$0.99
Questions
Is Tsumego Pro (Go problems) free?
Is just25 free?
Which has better reviews, Tsumego Pro (Go problems) or just25?
Do Tsumego Pro (Go problems) or just25 have ads?
Which is updated more often, Tsumego Pro (Go problems) or just25?
Other comparisons
