# Stockfish Chess Analysis vs Chess Acuity

The clearest difference is rating: Stockfish Chess Analysis at 4.4 against Chess Acuity's 2.0. Stockfish Chess Analysis also leads on ratings volume (81 vs 1) and device support (3 vs 1). Chess Acuity's advantage is in-app purchases (none vs 3) and update cadence (every 4 days vs fortnightly). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Stockfish Chess Analysis sells 3 in-app purchases, starting at $8.99 per 7 days. Chess Acuity asks for nothing beyond the download.

Stockfish Chess Analysis holds the better App Store score, 4.4 against 2.0. That said, the two scores are not equally well evidenced: Stockfish Chess Analysis has 81 ratings behind it against 1, so its average is the more settled of the two.

Stockfish Chess Analysis ships an update fortnightly, Chess Acuity every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stockfish Chess Analysis | Chess Acuity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (81 ratings)](https://appshunter.io/ios/app/stockfish-chess-analysis/id6744956284/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/chess-acuity/id6788771638/reviews) |
| Number of ratings | **81** | 1 |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 135 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Krishna Sangeeth KS](https://appshunter.io/developer/1796652653) | [Sigfus Bjarnason](https://appshunter.io/developer/1896327101) |

## What reviewers say

### 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 |


### Chess Acuity

[App page](https://appshunter.io/ios/app/chess-acuity/id6788771638)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stockfish Chess Analysis free?

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

### Is Chess Acuity free?

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

### Which has better reviews, Stockfish Chess Analysis or Chess Acuity?

Stockfish Chess Analysis is rated higher. Stockfish Chess Analysis averages 4.4 out of 5 from 81 ratings, while Chess Acuity averages 2.0 from 1 ratings.

### Do Stockfish Chess Analysis or Chess Acuity have ads?

Neither Stockfish Chess Analysis nor Chess Acuity shows ads.

### Which is updated more often, Stockfish Chess Analysis or Chess Acuity?

Stockfish Chess Analysis ships an update fortnightly, and Chess Acuity every 4 days. Most recently, Stockfish Chess Analysis was updated on October 30, 2026 and Chess Acuity on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*