Light GO 9x vs CrazyStone DeepLearning
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Light GO 9x
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.
- 9x9 game board
- Computer opponent
- Two-player mode
- Online multiplayer via Game Center
- Leaderboards
- Achievements
- Audio on/off switch
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* It is a simple GO game(9 x 9). It is easy to play. It provides Game Center Network Battle. * To avoid the argument, App check the dead stones that not be captured after game over. * The icon below the word "NOW" shows whose turn and the piece used. * To provide the diversified playing methods and different settings below: -Computer- Your opponent is the computer. This is a practice for you. The computer makes the first move. -2 Players- Your opponent is another person. The black player makes the first move. -Network- Game Center matches the two players and computer decides the colors. You can play with all players of the world. (Please join Game Center at first.) -Leaderboards- Game Center saves the result of the games including the wins, draws and defeats of the players, and provides the Leaderboards. -Achievements- Game Center saves the players’ “Points” and provides the achievements. -Audio Switch- Turn on/off audio. * The point formula for Achievements: 1 win=3 score, 1 draw=1 score, 1 defeat=-1 score, ten scores=1 point, points=(wins x 3 + draws - defeats) / 10 * The player who exits game before game over loses the game at the network mode. * The more explanations please refer to the Readme of the app or APP Support.
CrazyStone DeepLearning
Play the game of Go against a powerful AI or other players worldwide. Test your skills with certification exams and track your progress in rating mode. Offers various board sizes and difficulty levels for all players.
- Online Go games against global players
- IAGA Rating Certification Tests
- 17 levels of play from 15k to 2d
- Export/import SGF game files
- Rating Mode with game history
- Human vs Computer and Human vs Human modes
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The strongest, the best Go app in the world based on Crazy Stone employing Deep Learning technology ! *New Features* -We have introduced an online game feature. Enjoy online games against players all over the world ! -IAGA Rating Certification Tests Challenge the Dan/Kyu tests provided by the International AI Go Association. -Premium Membership Completely ad free, higher levels and additional features for Premium Members. Crazy Stone has made a huge step forward by combining Deep Neural Networks with Monte Carlo Tree Search. The highest level of Crazy Stone Deep Learning has achieved 5d in kgs rating and in this lite version, we have provided you the highest level of 2d for FREE! * 17 levels of play from 15k to 2d There are 17 levels of play (15k-2d) for all the board sizes. Crazy Stone has improved not only in strength, but also in his style of play and the lower levels are perfect for players who want to learn the game of Go. Now, the strongest level for Premium Members is 5d. * IAGA Rating Certification Test Challenge the Dan/Kyu tests provided by the International AI Go Association. You will be awarded certificate images if you pass the tests. (You will need to register an AI Game Account to challenge the tests. Registration is free) * Export and import sgf game files You will be able to import and export game records in sgf format from other apps. Also you can copy game record data to the clipboard. * Rating Mode Test your skills with serious games against the AI, keeps track of the results of your games and the history of your rating! The Rating Mode will be partly unlocked if you reach 7k IAGA Rating. If you become a premium member, all of the Rating Mode features will be unlocked immediately. * Other features ・Friendly 3 input methods You can choose from 3 options of input methods (Zoom, Cursor & Touch). ・17 levels of play for each board size (9x9, 13x13, 19x19) ・Human vs Computer, Human vs Human (sharing a single device) ・Computer vs Computer Games ・Handicap games, variable options of Komi ・Hint (suggest) ・Instant Undo (available even when the computer is thinking) ・Automatic territory calculation ・Japanese/Chinese Rules ・Suspend/Re-start games ・Save/Load game record in sgf files ・Automatic and manual replay of a game record ・Highlight the last move ・COM resign feature ・Byoyomi games (You will not be able to select computer level in timed games) ・Atari warning ・Highlight the last move ・Play speed can be adjusted ■ Subscription Details The benefits of Premium Members are: -Completely ad free -Maximum AI playing strength will rise to 5dan -Play Rating Mode for all 3 board sizes -Challenge the IAGA Certification Tests higher than 7kyu About the subscription -Monthly Subscription for Premium Membership. -Customers will be charged a monthly fee to their iTunes Account. -The Subscription will be renewed automatically unless cancelled more than 24 hours before the end of it's current period. -Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. How to cancel the subscription -Form the app Touch the Manage Subscription button and then touch Cancel Subscription. -From your device Move to Settings > iTunes Store and App Store > Apple ID > Subscription -It is not possible to prorate usage fees, cancel or refund the subscription for the current period. -After cancelling the subscription, you will be able to play Engine Server Games until the current subscription period expires. Privacy Policy https://www.unbalance.co.jp/privacy/en/igominna/ Terms of Use https://www.unbalance.co.jp/eula/en/igominna/ * This app is certified by International AI Go Association
Screenshots
Verdict
The clearest difference is review sentiment: CrazyStone DeepLearning at 71% against Light GO 9x's 25%. CrazyStone DeepLearning also leads on rating (4.7 vs 2.9) and ratings volume (1K 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.
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. Light GO 9x sells 1 one-off in-app purchase and CrazyStone DeepLearning sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
CrazyStone DeepLearning holds the better App Store score, 4.7 against 2.9. That said, the two scores are not equally well evidenced: CrazyStone DeepLearning has 1K 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 71% of CrazyStone DeepLearning's.
Light GO 9x ships an update every 6 weeks, CrazyStone DeepLearning every 2 months. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.
| Parameter | Light GO 9x | CrazyStone DeepLearning |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (7 ratings) | 4.7 (1K ratings) — better |
| Positive reviews | 25.0% of reviews | 71.0% of reviews — better |
| Number of ratings | 7 | 1K — better |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 34 MB | 165 MB |
| Age rating | 4+ | 4+ |
| Developer | CHIA HO KUO | UNBALANCE Corporation |
Customer experience
Light GO 9x
CrazyStone DeepLearning
Bugs and requests
Light GO 9x
Not enough reviews yet to summarise bugs or requests.
CrazyStone DeepLearning
Reported bugs
3 issues- Issues with input method and stone placement
- Sound not working
- Saved game state causing issues with ads
Requested features
5 requests- More advanced levels
- Ability to replay and explore game variations
- Option to slow down AI response
- Landscape mode support
- Analysis mode for premium users
In-app purchases
Light GO 9x
- Record Function$0.99
CrazyStone DeepLearning
- CrazyStone DL Subscription$2.991 Month
Questions
Is Light GO 9x free?
Is CrazyStone DeepLearning free?
Which has better reviews, Light GO 9x or CrazyStone DeepLearning?
Do Light GO 9x or CrazyStone DeepLearning have ads?
Which is updated more often, Light GO 9x or CrazyStone DeepLearning?
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