# Quantum Chess vs Chessful

The clearest difference is rating: Quantum Chess at 5.0 against Chessful's 4.5. Quantum Chess also leads on in-app purchases (none vs 6) and iOS requirement (12.0 vs 18.0). Chessful's advantage is update cadence (every 4 days vs fortnightly). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Chessful sells 6 in-app purchases, starting at $2.99 per month. Quantum Chess asks for nothing beyond the download.

Quantum Chess holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Quantum Chess ships an update fortnightly, Chessful every 4 days. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Quantum Chess | Chessful |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quantum-chess/id6748688911/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/chessful-train-and-analyze/id6761336870/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 36 MB | 161 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [GAMEMORPH AI](https://appshunter.io/developer/1827005759) | [Antti Aittamaa](https://appshunter.io/developer/1855943133) |

## What reviewers say

### Quantum Chess

[App page](https://appshunter.io/ios/app/quantum-chess/id6748688911)

Experience a strategic four-player board game where traditional chess rules evolve over seven distinct phases. The battlefield dynamically shrinks and changes, introducing unique challenges like limited vision and randomized promotions. Only the last king standing can claim victory in this chaotic and unpredictable competition.

**Highlights:** Four-player gameplay, Dynamic 12x12 board, Seven evolving game phases, Shrinking battlefield, Limited vision mechanics, Randomized pawn promotions, No stalemates or draws

**Features:** macOS Compatibility

**In-app purchases:** none


### Chessful

[App page](https://appshunter.io/ios/app/chessful-train-and-analyze/id6761336870)

This app acts as a private chess coach, analyzing your games to identify mistakes and provide personalized training. It focuses on improving your play through tailored exercises based on your weaknesses, without ads or requiring an account.

**Highlights:** Personalized mistake analysis, Daily training based on weaknesses, Track five key chess skills, Play against 40 AI opponents, Offline functionality, Private by design (no accounts/tracking)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chessful Pro Monthly | $2.99 | per month |
| Chessful Pro Yearly | $17.99 | per year |
| Support the Developer Coffee | $1.99 | one-time |
| Support the Developer Supporter | $4.99 | one-time |
| Support the Developer Huge Support | $9.99 | one-time |
| Chessful Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Quantum Chess free?

Quantum Chess is free to download, with no in-app purchases.

### Is Chessful free?

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

### Which has better reviews, Quantum Chess or Chessful?

Quantum Chess is rated higher. Quantum Chess averages 5.0 out of 5 from 1 ratings, while Chessful averages 4.5 from 2 ratings.

### Do Quantum Chess or Chessful have ads?

Neither Quantum Chess nor Chessful shows ads.

### Which is updated more often, Quantum Chess or Chessful?

Quantum Chess ships an update fortnightly, and Chessful every 4 days. Most recently, Quantum Chess was updated on October 7, 2026 and Chessful on October 19, 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.*