# Block Chess vs Chess Prep Pro Openings

The clearest difference is price: Chess Prep Pro Openings at Free against Block Chess's $0.99. Chess Prep Pro Openings also leads on update cadence (fortnightly vs every 15 months). Block Chess's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Chess Prep Pro Openings is free to download; Block Chess costs $0.99 up front. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month. Block Chess asks for nothing beyond the download.

Block Chess ships an update every 15 months, Chess Prep Pro Openings fortnightly. Both last shipped on October 19, 2026.

## The numbers

| Metric | Block Chess | Chess Prep Pro Openings |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.5 (22 ratings)](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 214 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZHONGYUAN SHEN](https://appshunter.io/developer/385090494) | [Tomasz Bogun](https://appshunter.io/developer/1502902123) |

## What reviewers say

### Block Chess

[App page](https://appshunter.io/ios/app/block-chess/id1155867312)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Prep Pro Openings

[App page](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475)

Master chess openings by building custom repertoires and training your memory. Analyze opponent moves, discover blind spots, and utilize an advanced engine for in-depth preparation. Expand your knowledge with downloadable repertoires and import/export PGNs.

**Highlights:** Custom chess opening repertoires, Repertoire training and memory sharpening, Blind spot finder against player games, Chess openings player database, Advanced StockFish engine analysis, Downloadable and importable repertoires

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium subscription | $3.99 | per month |
| Yearly premium | $24.99 | per year |
| Lifetime Premium | $59.99 | one-time |


## Frequently asked questions

### Is Block Chess free?

Block Chess costs $0.99, with no in-app purchases.

### Is Chess Prep Pro Openings free?

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

### Do Block Chess or Chess Prep Pro Openings have ads?

Chess Prep Pro Openings shows ads; Block Chess does not.

### Which is updated more often, Block Chess or Chess Prep Pro Openings?

Block Chess ships an update every 15 months, and Chess Prep Pro Openings fortnightly. Most recently, Block Chess was updated on October 19, 2026 and Chess Prep Pro Openings 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.*