# Chess Prep Pro Openings vs Oh Hell Scorekeeper

The clearest difference is in-app purchases: Oh Hell Scorekeeper at none against Chess Prep Pro Openings's 3. Oh Hell Scorekeeper also leads on ads (none vs shown). Chess Prep Pro Openings's advantage is iOS requirement (15.0 vs 18.5). On price 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. Oh Hell Scorekeeper asks for nothing beyond the download.

## The numbers

| Metric | Chess Prep Pro Openings | Oh Hell Scorekeeper |
| --- | --- | --- |
| 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 | — |
| Monetization | Free with in-app purchases | — |
| Size | 214 MB | 3 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomasz Bogun](https://appshunter.io/developer/1502902123) | [Samuel Lorimer](https://appshunter.io/developer/1896764241) |

## 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 |


### Oh Hell Scorekeeper

[App page](https://appshunter.io/ios/app/oh-hell-scorekeeper/id6770825493)

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

**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 Oh Hell Scorekeeper free?

Oh Hell Scorekeeper is free to download, with no in-app purchases.

### Do Chess Prep Pro Openings or Oh Hell Scorekeeper have ads?

Chess Prep Pro Openings shows ads; Oh Hell Scorekeeper does not.

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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.*