# Chess Heat Map Analysis vs OpenChess

The clearest difference is rating: OpenChess at 5.0 against Chess Heat Map Analysis's 3.7. Chess Heat Map Analysis's advantage is update cadence (every 4 days vs fortnightly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Chess Heat Map Analysis sells 1 one-off in-app purchase and OpenChess sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

OpenChess holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Chess Heat Map Analysis ships an update every 4 days, OpenChess fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Chess Heat Map Analysis | OpenChess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/chess-heat-map-analysis/id6499176613/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904/reviews)** |
| Number of ratings | **3** | 2 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 120 MB | 57 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flit Soft LLC](https://appshunter.io/developer/1737728213) | [David Bryant](https://appshunter.io/developer/1559648957) |

## What reviewers say

### 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 |


### OpenChess

[App page](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904)

Master chess openings by playing against a specialized AI. Explore specific defenses or move sequences, and gain insights into positional advantages and piece values. Improve your game from the very first moves.

**Highlights:** Learn specific chess openings, Play against AI focused on opening lines, Analyze positional advantages, Evaluate piece values and mobility, Understand pawn structure, Track defended and attacked pieces

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tarrasch Defense Opening | $0.99 | one-time |
| Trompowsky Attack Opening | $0.99 | one-time |
| Scandinavian Defense Opening | $0.99 | one-time |
| Three Knights Opening | $0.99 | one-time |
| Zukertort Opening | $0.99 | one-time |
| Van't Kruijs Opening | $0.99 | one-time |
| Vienna Game Opening | $0.99 | one-time |
| Ware Opening | $0.99 | one-time |
| Opening Explorer | $4.99 | one-time |
| OpenChess Premium | $19.99 | one-time |


## Frequently asked questions

### Is Chess Heat Map Analysis free?

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

### Is OpenChess free?

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

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

OpenChess is rated higher. Chess Heat Map Analysis averages 3.7 out of 5 from 3 ratings, while OpenChess averages 5.0 from 2 ratings.

### Do Chess Heat Map Analysis or OpenChess have ads?

Neither Chess Heat Map Analysis nor OpenChess shows ads.

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

Chess Heat Map Analysis ships an update every 4 days, and OpenChess fortnightly. Most recently, Chess Heat Map Analysis was updated on November 4, 2026 and OpenChess on October 30, 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.*