# Chess Prep Pro Openings vs Mine Mark Game

The clearest difference is in-app purchases: Mine Mark Game at none against Chess Prep Pro Openings's 3. Mine Mark Game also leads on ads (none vs shown). Chess Prep Pro Openings's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month. Mine Mark Game asks for nothing beyond the download.

Chess Prep Pro Openings ships an update fortnightly, Mine Mark Game monthly. The most recent releases landed on October 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Chess Prep Pro Openings | Mine Mark Game |
| --- | --- | --- |
| Price | Free | 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 214 MB | 491 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tomasz Bogun](https://appshunter.io/developer/1502902123) | [Nils Hegel](https://appshunter.io/developer/1632283177) |

## What reviewers say

### 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 |


### Mine Mark Game

[App page](https://appshunter.io/ios/app/mine-mark-game/id6444071713)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chess Prep Pro Openings free?

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

### Is Mine Mark Game free?

Mine Mark Game is free to download, with no in-app purchases.

### Do Chess Prep Pro Openings or Mine Mark Game have ads?

Chess Prep Pro Openings shows ads; Mine Mark Game does not.

### Which is updated more often, Chess Prep Pro Openings or Mine Mark Game?

Chess Prep Pro Openings ships an update fortnightly, and Mine Mark Game monthly. Most recently, Chess Prep Pro Openings was updated on October 24, 2026 and Mine Mark Game on October 2, 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.*