# Revello (オセロ) vs CrazyStone DeepLearning

The clearest difference is update cadence: Revello (オセロ) at fortnightly against CrazyStone DeepLearning's every 2 months. Revello (オセロ) also leads on review sentiment (83% vs 72%) and iOS requirement (12.0 vs 15.0). CrazyStone DeepLearning's advantage is rating (4.7 vs 4.5) and ratings volume (1K vs 141). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Revello (オセロ) sells 2 one-off in-app purchases 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 4.5. That said, the two scores are not equally well evidenced: CrazyStone DeepLearning has 1K ratings behind it against 141, so its average is the more settled of the two. Written reviews complicate that: 83% of Revello (オセロ)'s written reviews are positive against 72% of CrazyStone DeepLearning's, so the app with the better star average is not the one people write more warmly about.

Revello (オセロ) ships an update fortnightly, CrazyStone DeepLearning every 2 months. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Revello (オセロ) | CrazyStone DeepLearning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (141 ratings)](https://appshunter.io/ios/app/revello/id882588964/reviews) | **[4.7 (1K ratings)](https://appshunter.io/ios/app/crazystone-deeplearning/id1252539379/reviews)** |
| Number of ratings | 141 | **1K** |
| Positive reviews | **82.8% of reviews** | 71.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 165 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Felix Weiss](https://appshunter.io/developer/882588967) | [UNBALANCE Corporation](https://appshunter.io/developer/358617691) |

## What reviewers say

### Revello (オセロ)

[App page](https://appshunter.io/ios/app/revello/id882588964)

Experience a classic board game with a modern interface. Play against AI opponents of varying difficulty, learn strategies with move highlighting, and challenge friends or random players online. Features a beginner tutorial and achievements.

**Highlights:** Five AI difficulty levels, Display and highlight best moves, Online multiplayer with random opponents, Challenge friends directly, Game Center achievements and leaderboard, Beginner tutorial, HD Retina display support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Strategy Coach | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


### 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 Revello (オセロ) free?

Revello (オセロ) 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, Revello (オセロ) or CrazyStone DeepLearning?

CrazyStone DeepLearning is rated higher. Revello (オセロ) averages 4.5 out of 5 from 141 ratings, while CrazyStone DeepLearning averages 4.7 from 1K ratings.

### Do Revello (オセロ) or CrazyStone DeepLearning have ads?

Both Revello (オセロ) and CrazyStone DeepLearning show ads.

### Which is updated more often, Revello (オセロ) or CrazyStone DeepLearning?

Revello (オセロ) ships an update fortnightly, and CrazyStone DeepLearning every 2 months. Most recently, Revello (オセロ) was updated on September 17, 2026 and CrazyStone DeepLearning on September 23, 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.*