# Chess vs Prime Factor Chain

The clearest difference is in-app purchases: Prime Factor Chain at none against Chess's 14. Chess's advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Chess sells 12 in-app purchases, starting at $0.99 per 7 days. Prime Factor Chain asks for nothing beyond the download.

## The numbers

| Metric | Chess | Prime Factor Chain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (6.8K ratings)](https://appshunter.io/ios/app/chess-chess-online/id1547549647/reviews)** | — |
| Number of ratings | **6.8K** | — |
| Positive reviews | 46.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 282 MB | 27 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Dobest Information Technology Co, Ltd.](https://appshunter.io/developer/917530329) | [nihei keita](https://appshunter.io/developer/1866466968) |

## What reviewers say

### Chess

[App page](https://appshunter.io/ios/app/chess-chess-online/id1547549647)

Play chess against AI or other players online. Features adjustable difficulty, hints, and multiple game modes. Save your progress and develop your strategy to become a chess master.

**Highlights:** Selectable board skins, Adjustable game difficulty, Hint function, Endgame mode, AI mode, Two-player mode, Save game progress

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Per Week | $0.99 | per 7 days |
| VIP Per Month | $1.99 | per month |
| VIP Per Month | $15.99 | per year |
| Hint*30 | $0.99 | one-time |
| Remove Ads B | $0.99 | one-time |
| Badge*120 | $0.99 | one-time |
| Analysis*15 | $0.99 | one-time |
| Hint*65 | $1.99 | one-time |
| Badge250 | $1.99 | one-time |
| Chess Online-Remove Ads | $2.99 | one-time |
| Analysis*75 | $3.99 | one-time |
| Badge*500 | $5.99 | one-time |

**What reviewers like**

- 👍 Excellent online play
- 🎮 Good computer play
- 🎉 Very fun game
- 🤩 Amazing and super good

**What reviewers complain about**

- 🐛 Buggy and glitchy online play
- 💤 Freezes and crashes mid-game
- 🔍 False advertising (not 3D as shown)
- 🕰️ Stalemate issues with AI
- 🔒 Privacy concerns with data collection

**Reported bugs**

- Pieces making impossible moves
- Touch screen becoming unresponsive
- Game declaring draws on clear checkmates
- Disconnections and network issues

**Requested features**

- Add online multiplayer with friends
- Option to disable stalemate rule
- Improve AI's understanding of checkmate


### Prime Factor Chain

[App page](https://appshunter.io/ios/app/prime-factor-chain/id6806602279)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess free?

Chess is free to download, with in-app purchases available.

### Is Prime Factor Chain free?

Prime Factor Chain is free to download, with no in-app purchases.

### Do Chess or Prime Factor Chain have ads?

Both Chess and Prime Factor Chain show ads.

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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.*