# Chess Prep Pro Openings vs WhackPig

The clearest difference is rating: WhackPig at 5.0 against Chess Prep Pro Openings's 4.5. WhackPig also leads on in-app purchases (none vs 3) and ads (none vs shown). Chess Prep Pro Openings's advantage is update cadence (fortnightly vs every 6 weeks) and ratings volume (22 vs 4). On price, device support and iOS requirement 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. WhackPig asks for nothing beyond the download.

WhackPig holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Chess Prep Pro Openings has 22 ratings behind it against 4, so its average is the more settled of the two.

Chess Prep Pro Openings ships an update fortnightly, WhackPig every 6 weeks. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Chess Prep Pro Openings | WhackPig |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (22 ratings)](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/whackpig/id6447771000/reviews)** |
| Number of ratings | **22** | 4 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 214 MB | 9 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomasz Bogun](https://appshunter.io/developer/1502902123) | [Juan C](https://appshunter.io/developer/1675190272) |

## 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 |


### WhackPig

[App page](https://appshunter.io/ios/app/whackpig/id6447771000)

Tap on pigs as quickly as possible in this fast-paced "Whack-A-Mole" style game. Avoid the falling poops to achieve a high score. This game was developed in just three hours.

**Highlights:** Whack-A-Mole gameplay, Tap on pigs, Avoid falling poops, Fast-paced action, High score challenge

**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 WhackPig free?

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

### Which has better reviews, Chess Prep Pro Openings or WhackPig?

WhackPig is rated higher. Chess Prep Pro Openings averages 4.5 out of 5 from 22 ratings, while WhackPig averages 5.0 from 4 ratings.

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

Chess Prep Pro Openings shows ads; WhackPig does not.

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

Chess Prep Pro Openings ships an update fortnightly, and WhackPig every 6 weeks. Most recently, Chess Prep Pro Openings was updated on October 24, 2026 and WhackPig 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.*