# Chess Prep Pro Openings vs Stockfish Chess Analysis

Chess Prep Pro Openings and Stockfish Chess Analysis both sit at 4.5 stars, but that hides the real split: 75% of Chess Prep Pro Openings's written reviews are positive against 14% of Stockfish Chess Analysis's. Stockfish Chess Analysis's advantage is ads (none vs shown) and ratings volume (82 vs 22). On price, rating, update cadence and in-app purchases 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 and Stockfish Chess Analysis sells 3 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Chess Prep Pro Openings against 4.4 for Stockfish Chess Analysis. Both are backed by a comparable volume of ratings — 22 and 82 respectively. Written reviews are what separate them: 75% of Chess Prep Pro Openings's written reviews are positive against 14% of Stockfish Chess Analysis's.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Chess Prep Pro Openings | Stockfish Chess Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (22 ratings)](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475/reviews)** | [4.4 (82 ratings)](https://appshunter.io/ios/app/stockfish-chess-analysis/id6744956284/reviews) |
| Number of ratings | 22 | **82** |
| Positive reviews | **75.0% of reviews** | 14.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 214 MB | 30 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tomasz Bogun](https://appshunter.io/developer/1502902123) | [Krishna Sangeeth KS](https://appshunter.io/developer/1796652653) |

## 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 |


### Stockfish Chess Analysis

[App page](https://appshunter.io/ios/app/stockfish-chess-analysis/id6744956284)

Analyze chess positions from a photo or by inputting moves. Get AI-powered best move suggestions, learn tactics, and play against the engine with live tips. Ideal for players of all levels looking to improve their game.

**Highlights:** Scan chessboards from photos, AI-powered best move suggestions, Learn new chess tactics, Play against Stockfish engine, Live help and tips during play, Multiple difficulty levels

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $8.99 | per 7 days |
| Monthly Subscription | $17.99 | per month |
| Yearly Subscription | $69.99 | per year |


## Frequently asked questions

### Is Chess Prep Pro Openings free?

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

### Is Stockfish Chess Analysis free?

Stockfish Chess Analysis is free to download, with in-app purchases available.

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

Chess Prep Pro Openings is rated higher. Chess Prep Pro Openings averages 4.5 out of 5 from 22 ratings, while Stockfish Chess Analysis averages 4.4 from 82 ratings.

### Do Chess Prep Pro Openings or Stockfish Chess Analysis have ads?

Chess Prep Pro Openings shows ads; Stockfish Chess Analysis does not.

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

Chess Prep Pro Openings ships an update fortnightly, and Stockfish Chess Analysis fortnightly. Most recently, Chess Prep Pro Openings was updated on November 7, 2026 and Stockfish Chess Analysis on November 8, 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.*