# HexaRelic vs Stockfish 19 Chess Engine

The clearest difference is update cadence: Stockfish 19 Chess Engine at every 5 days against HexaRelic's every 2 months. Stockfish 19 Chess Engine also leads on chart position (#193 vs unranked) and device support (3 vs 1). HexaRelic's advantage is price ($1.99 vs $4.99). On ads and in-app purchases there is nothing between them.

HexaRelic costs $1.99 and Stockfish 19 Chess Engine $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HexaRelic ships an update every 2 months, Stockfish 19 Chess Engine every 5 days. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | HexaRelic | Stockfish 19 Chess Engine |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/stockfish-19-chess-engine/id6813605429/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Paid |
| Best chart rank | — | **#193** |
| Size | 34 MB | 126 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ryogo shimizu](https://appshunter.io/developer/1782520149) | [Ishrak khan](https://appshunter.io/developer/1864160195) |

## What reviewers say

### HexaRelic

[App page](https://appshunter.io/ios/app/hexarelic/id6766398095)

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

**In-app purchases:** none


### Stockfish 19 Chess Engine

[App page](https://appshunter.io/ios/app/stockfish-19-chess-engine/id6813605429)

**Currently charting:** #193 Top Paid · Board (US App Store)

Engage in a straightforward chess experience against a top-tier AI. This application allows you to play offline without needing an account, offering a pure challenge against a powerful engine.

**Highlights:** Play against Stockfish AI, Offline chess gameplay, No account required, Choose your side (White/Black), Simple interface

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

**In-app purchases:** none


## Frequently asked questions

### Is HexaRelic free?

HexaRelic costs $1.99, with no in-app purchases.

### Is Stockfish 19 Chess Engine free?

Stockfish 19 Chess Engine costs $4.99, with no in-app purchases.

### Do HexaRelic or Stockfish 19 Chess Engine have ads?

Neither HexaRelic nor Stockfish 19 Chess Engine shows ads.

### Which is updated more often, HexaRelic or Stockfish 19 Chess Engine?

HexaRelic ships an update every 2 months, and Stockfish 19 Chess Engine every 5 days. Most recently, HexaRelic was updated on October 25, 2026 and Stockfish 19 Chess Engine on October 26, 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.*