# Chess Notation Lab Pro vs Heatmap Chess

The clearest difference is price: Heatmap Chess at Free against Chess Notation Lab Pro's $9.99. Heatmap Chess also leads on iOS requirement (13.4 vs 18.6). Chess Notation Lab Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Heatmap Chess is free to download; Chess Notation Lab Pro costs $9.99 up front. Heatmap Chess sells 1 one-off in-app purchase. Chess Notation Lab Pro asks for nothing beyond the download.

## The numbers

| Metric | Chess Notation Lab Pro | Heatmap Chess |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | — |
| Monetization | Paid | — |
| Size | 25 MB | 19 MB |
| Requires iOS | 18.6 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nishat Majid](https://appshunter.io/developer/1727207034) | [Utku Kucu](https://appshunter.io/developer/1896253523) |

## What reviewers say

### Chess Notation Lab Pro

[App page](https://appshunter.io/ios/app/chess-notation-lab-pro/id6483938642)

Master chess board coordinates and piece movement with interactive training modes. Improve your ability to visualize moves, read notation, and speed up calculations for a stronger game.

**Highlights:** Identify squares by coordinate, Visualize piece movement, Translate moves to notation, Identify square color, Two training modes, Untimed practice mode, Global leaderboards

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Chess Notation Lab Pro free?

Chess Notation Lab Pro costs $9.99, with no in-app purchases.

### Is Heatmap Chess free?

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

### Do Chess Notation Lab Pro or Heatmap Chess have ads?

Heatmap Chess shows ads; Chess Notation Lab Pro does not.

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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.*