# Chess Tablebase for Stockfish vs Chess Acuity

The clearest difference is update cadence: Chess Acuity at every 4 days against Chess Tablebase for Stockfish's fortnightly. Chess Tablebase for Stockfish's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chess Tablebase for Stockfish ships an update fortnightly, Chess Acuity every 4 days. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Chess Tablebase for Stockfish | Chess Acuity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (21 ratings)](https://appshunter.io/ios/app/chess-tablebase-for-stockfish/id1183121054/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free | — |
| Size | 944 MB | 135 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ted Wong](https://appshunter.io/developer/570426131) | [Sigfus Bjarnason](https://appshunter.io/developer/1896327101) |

## What reviewers say

### Chess Tablebase for Stockfish

[App page](https://appshunter.io/ios/app/chess-tablebase-for-stockfish/id1183121054)

Manage chess endgame tablebase files for enhanced Stockfish AI analysis. Import pre-installed or custom files, and query positions for win/draw outcomes. Ideal for serious chess players seeking to improve engine performance.

**Highlights:** Manage chess endgame tablebase files, Integrates with SmallFish iOS app, Import pre-installed 5-men tablebases, Import custom tablebase files, Query endgame positions for win/draw, Enhances Stockfish engine performance

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

**In-app purchases:** none


### 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 Chess Tablebase for Stockfish free?

Chess Tablebase for Stockfish is free to download, with no in-app purchases.

### Is Chess Acuity free?

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

### Do Chess Tablebase for Stockfish or Chess Acuity have ads?

Neither Chess Tablebase for Stockfish nor Chess Acuity shows ads.

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

Chess Tablebase for Stockfish ships an update fortnightly, and Chess Acuity every 4 days. Most recently, Chess Tablebase for Stockfish was updated on October 26, 2026 and Chess Acuity on October 21, 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.*