# Heatmap Chess vs Chessylon

The clearest difference is in-app purchases: Chessylon at none against Heatmap Chess's 1. Chessylon also leads on update cadence (every 2 days vs every 2 months). Heatmap Chess's advantage is iOS requirement (13.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Heatmap Chess sells 1 one-off in-app purchase. Chessylon asks for nothing beyond the download.

Heatmap Chess ships an update every 2 months, Chessylon every 2 days. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Heatmap Chess | Chessylon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 19 MB | 35 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [Utku Kucu](https://appshunter.io/developer/1896253523) | [ACA Gaming](https://appshunter.io/developer/6814997648) |

## What reviewers say

### Heatmap Chess

[App page](https://appshunter.io/ios/app/heatmap-chess/id6766252248)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $4.99 | one-time |


### Chessylon

[App page](https://appshunter.io/ios/app/chessylon/id6814997646)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heatmap Chess free?

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

### Is Chessylon free?

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

### Do Heatmap Chess or Chessylon have ads?

Both Heatmap Chess and Chessylon show ads.

### Which is updated more often, Heatmap Chess or Chessylon?

Heatmap Chess ships an update every 2 months, and Chessylon every 2 days. Most recently, Heatmap Chess was updated on October 13, 2026 and Chessylon on October 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.*