# A.C.E vs Stockfish AI Chess

The clearest difference is update cadence: Stockfish AI Chess at daily against A.C.E's weekly. A.C.E's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

A.C.E ships an update weekly, Stockfish AI Chess daily. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | A.C.E | Stockfish AI Chess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (18 ratings)](https://appshunter.io/ios/app/stockfish-ai-chess/id6817158025/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | — | Free |
| Size | 20 MB | 943 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alastair McNeill](https://appshunter.io/developer/1555922221) | [Tughan Yusuf Karsli](https://appshunter.io/developer/6817158027) |

## What reviewers say

### A.C.E

[App page](https://appshunter.io/ios/app/ace/id6476161902)

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

**In-app purchases:** none


### Stockfish AI Chess

[App page](https://appshunter.io/ios/app/stockfish-ai-chess/id6817158025)

Play, learn, and analyze chess games offline with powerful AI engines. Offers 19 difficulty levels, a Chess Coach for feedback, and game review to study mistakes. Supports PGN import/export and FEN positions.

**Highlights:** Offline AI chess play, 19 difficulty levels, Chess Coach feedback, Game review and analysis, PGN/FEN support, Board photo to position

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

**In-app purchases:** none


## Frequently asked questions

### Is A.C.E free?

A.C.E is free to download, with no in-app purchases.

### Is Stockfish AI Chess free?

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

### Do A.C.E or Stockfish AI Chess have ads?

Neither A.C.E nor Stockfish AI Chess shows ads.

### Which is updated more often, A.C.E or Stockfish AI Chess?

A.C.E ships an update weekly, and Stockfish AI Chess daily. Most recently, A.C.E was updated on November 4, 2026 and Stockfish AI Chess on November 6, 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.*