# Chess Notation Lab vs Chess Heat Map Analysis

The clearest difference is ratings volume: Chess Notation Lab at 6 against Chess Heat Map Analysis's 2. Chess Heat Map Analysis's advantage is iOS requirement (12.0 vs 18.6). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Chess Notation Lab sells 1 one-off in-app purchase and Chess Heat Map Analysis sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Chess Notation Lab against 5.0 for Chess Heat Map Analysis. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Chess Notation Lab ships an update every 3 days, Chess Heat Map Analysis every 4 days. The most recent releases landed on September 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Chess Notation Lab | Chess Heat Map Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/chess-notation-lab/id6480255515/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/chess-heat-map-analysis/id6499176613/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 120 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nishat Majid](https://appshunter.io/developer/1727207034) | [Flit Soft LLC](https://appshunter.io/developer/1737728213) |

## What reviewers say

### Chess Notation Lab

[App page](https://appshunter.io/ios/app/chess-notation-lab/id6480255515)

Master chess board coordinates and piece movement with this training app. Improve your ability to visualize moves, read notation, and understand square colors. Designed to enhance your chess calculations and potentially boost your rating.

**Highlights:** Identify squares by coordinate, Fluid piece movement visualization, Translate moves to notation, Identify square color, Orient on the board, Speed up calculation, Blind chess practice

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $9.99 | one-time |


### Chess Heat Map Analysis

[App page](https://appshunter.io/ios/app/chess-heat-map-analysis/id6499176613)

Visualize chess games with dynamic heat maps showing control and threat. Analyze moves, identify weaknesses, and improve your strategy with customizable settings. Study past games and opponent tactics to elevate your gameplay.

**Highlights:** Heat map visualization, Threat and defense analysis, Customizable settings, Game learning and improvement, Multiplatform support, Offline play

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $12.99 | one-time |


## Frequently asked questions

### Is Chess Notation Lab free?

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

### Is Chess Heat Map Analysis free?

Chess Heat Map Analysis is free to download, with in-app purchases available.

### Which has better reviews, Chess Notation Lab or Chess Heat Map Analysis?

Chess Notation Lab and Chess Heat Map Analysis are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do Chess Notation Lab or Chess Heat Map Analysis have ads?

Neither Chess Notation Lab nor Chess Heat Map Analysis shows ads.

### Which is updated more often, Chess Notation Lab or Chess Heat Map Analysis?

Chess Notation Lab ships an update every 3 days, and Chess Heat Map Analysis every 4 days. Most recently, Chess Notation Lab was updated on September 7, 2026 and Chess Heat Map Analysis on September 25, 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.*