Comparison

Smart Othello vs CrazyStone DeepLearning

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Smart Othello

Experience the classic strategy board game with this app. Play against friends or a computer with five difficulty levels. Improve your skills with a tutorial and helpful aids, making it easy to learn but challenging to master.

Highlights
  • Five computer play levels
  • Real-time matches via Game Center
  • Achievements and leaderboards
  • Blunder Guard
  • Hint, undo, and replay functions
  • Collection of top player games
Features
Read full description

Play Othello against your friends or the computer. Created by the 1992 US Othello Champion, this is the Othello app you’ve been waiting for. A powerful engine wrapped in a clean user interface. With five levels to choose from, you’ll find the level that gives you the right challenge. The built-in tutorial and teaching aids will help you improve your game — advance to the next level and give your friends a good fight. — A MINUTE TO LEARN … A LIFETIME TO MASTER — Othello has simple rules: just bracket opponent discs and flip them to your color. But proper strategy is more complex than you might think. Smart Othello makes the game enjoyable while improving your play. Features: • Five levels of computer play, from novice to master. • Real-time matches using Game Center. • Achievements and leaderboards to challenge you. • Blunder Guard to keep you from making bad mistakes. • Random openings that give both players an equal chance. • Hint, undo, and easy game replay. • Collection of games by top players for replay and study. Smart Othello was created by the 1992 US Othello Champion, who also developed the acclaimed SmartGo apps for the game of Go. Othello® is a registered trademark of MegaHouse Corporation. Used with permission.

About

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.

Highlights
  • 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
Features
Read full description

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

Smart Othello4 screens
CrazyStone DeepLearning4 screens

Verdict

The call

The clearest difference is ads: Smart Othello at none against CrazyStone DeepLearning's shown. On price, rating, review sentiment and ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Smart Othello 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Smart Othello against 4.7 for CrazyStone DeepLearning. Both are backed by a comparable volume of ratings — 535 and 1K respectively. Written reviews are what separate them: 65% of Smart Othello's written reviews are positive against 71% of CrazyStone DeepLearning's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

Scorecard1 real difference · 9 level
Smart Othello versus CrazyStone DeepLearning: the parameters behind the verdict, then further details
ParameterSmart OthelloCrazyStone DeepLearning
PriceFreeFree
Rating4.6 (535 ratings)4.7 (1K ratings) — better
Positive reviews65.3% of reviews71.0% of reviews — better
Number of ratings5351K — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size7 MB165 MB
Age rating4+4+
DeveloperSmart Go, Inc.UNBALANCE Corporation

Customer experience

Smart Othello

All ratings535 ratings
Positive89.9%
Neutral4.1%
Negative6.0%
Written reviews49 reviews
Positive65.3%
Neutral6.1%
Negative28.6%

CrazyStone DeepLearning

All ratings1,012 ratings
Positive92.7%
Neutral2.8%
Negative4.5%
Written reviews131 reviews
Positive71.0%
Neutral6.9%
Negative22.1%

User reviews

Smart Othello

From 535 App Store ratings

What we love

  • 🧠 Excellent AI with challenging difficulty levels
  • 💡 Helpful hints and tips for learning
  • ↩️ Undo button for reviewing mistakes
  • 🎨 Clean, elegant, and intuitive interface
  • 📚 Extensive expert database (126,000 matches)

Room to improve

  • 🐛 Frequent app crashes and freezing
  • 🔋 Excessive battery consumption
  • 🌐 Online multiplayer doesn't work reliably
  • 📧 Support email feature non-functional
  • 🎮 Inconsistent difficulty scaling (too easy or too hard)

CrazyStone DeepLearning

From 1K App Store ratings

What we love

  • 👍 Great for learning Go
  • 🎮 Enjoyable gameplay
  • 💪 Strong AI opponent
  • 🎨 Good visual design

Room to improve

  • 🙄 Excessive ads
  • ⏱️ Extremely long ads
  • 🤖 AI difficulty too high for beginners
  • 🔒 Inability to close ads

Bugs and requests

Smart Othello

Reported bugs

9 issues
  • App freezes on launch when Game Center is enabled
  • Game crashes mid-play on certain difficulty levels
  • Online play fails to find opponents or pair players
  • App locks up when switching to other applications
  • Game Center notifications excessive and intrusive
Show 4 more
  • Online games create duplicate concurrent matches
  • Game sync fails between multiple devices
  • Support email from within app doesn't work
  • Game becomes unresponsive during online play

Requested features

9 requests
  • Fix online multiplayer functionality
  • Add local 2-player head-to-head mode
  • Implement time limits for online moves
  • Add option to remove/customize player avatars
  • Improve Game Center integration and sync
Show 4 more
  • Better online mode instructions and documentation
  • Auto-play engine for replay functionality
  • Restore previous purchases
  • Improve difficulty level progression

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

1 purchases

Smart Othello

One-time1
  • Pro Pack$2.99
1 purchases

CrazyStone DeepLearning

Subscriptions1
  • CrazyStone DL Subscription$2.991 Month

Questions

Is Smart Othello free?
Smart Othello is free to download, with in-app purchases available.
Is CrazyStone DeepLearning free?
CrazyStone DeepLearning is free to download, with in-app purchases available.
Which has better reviews, Smart Othello or CrazyStone DeepLearning?
CrazyStone DeepLearning is rated higher. Smart Othello averages 4.6 out of 5 from 535 ratings, while CrazyStone DeepLearning averages 4.7 from 1K ratings.
Do Smart Othello or CrazyStone DeepLearning have ads?
CrazyStone DeepLearning shows ads; Smart Othello does not.
Which is updated more often, Smart Othello or CrazyStone DeepLearning?
Smart Othello ships an update every 2 months, and CrazyStone DeepLearning every 2 months. Most recently, Smart Othello was updated on October 10, 2026 and CrazyStone DeepLearning on October 12, 2026.

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