# PiyoShogi vs CrazyStone DeepLearning

The clearest difference is update cadence: PiyoShogi at weekly against CrazyStone DeepLearning's every 2 months. CrazyStone DeepLearning's advantage is ratings volume (1K vs 124). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. PiyoShogi sells 1 in-app purchase, starting at $2.49 per month 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.

On the App Store both sit at effectively the same score — 4.8 for PiyoShogi against 4.7 for CrazyStone DeepLearning. That said, the two scores are not equally well evidenced: CrazyStone DeepLearning has 1K ratings behind it against 124, so its average is the more settled of the two. Written reviews are what separate them: 76% of PiyoShogi's written reviews are positive against 71% of CrazyStone DeepLearning's.

PiyoShogi ships an update weekly, CrazyStone DeepLearning every 2 months. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PiyoShogi | CrazyStone DeepLearning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (124 ratings)](https://appshunter.io/ios/app/piyoshogi/id1104881942/reviews)** | [4.7 (1K ratings)](https://appshunter.io/ios/app/crazystone-deeplearning/id1252539379/reviews) |
| Number of ratings | 124 | **1K** |
| Positive reviews | **76.2% of reviews** | 71.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 77 MB | 165 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [STUDIO-K Inc.](https://appshunter.io/developer/1104881941) | [UNBALANCE Corporation](https://appshunter.io/developer/358617691) |

## What reviewers say

### PiyoShogi

[App page](https://appshunter.io/ios/app/piyoshogi/id1104881942)

Engage in Japanese chess with a charming AI opponent or challenge another player. Analyze your games with AI comparisons and manage your game records effectively. This app offers a robust Shogi experience for both casual and serious players.

**Highlights:** Play Shogi against AI, Two-player Shogi mode, AI move comparison, Game record analysis, Game record management

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chick feed (Hide Ads) | $2.49 | per month |


### CrazyStone DeepLearning

[App page](https://appshunter.io/ios/app/crazystone-deeplearning/id1252539379)

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:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CrazyStone DL Subscription | $2.99 | per month |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Issues with input method and stone placement
- Sound not working
- Saved game state causing issues with ads

**Requested features**

- More advanced levels
- Ability to replay and explore game variations
- Option to slow down AI response
- Landscape mode support
- Analysis mode for premium users


## Frequently asked questions

### Is PiyoShogi free?

PiyoShogi 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, PiyoShogi or CrazyStone DeepLearning?

PiyoShogi is rated higher. PiyoShogi averages 4.8 out of 5 from 124 ratings, while CrazyStone DeepLearning averages 4.7 from 1K ratings.

### Do PiyoShogi or CrazyStone DeepLearning have ads?

Both PiyoShogi and CrazyStone DeepLearning show ads.

### Which is updated more often, PiyoShogi or CrazyStone DeepLearning?

PiyoShogi ships an update weekly, and CrazyStone DeepLearning every 2 months. Most recently, PiyoShogi was updated on October 17, 2026 and CrazyStone DeepLearning on October 18, 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.*