# GPT Chess vs Chess Notation Lab

The clearest difference is review sentiment: Chess Notation Lab at 100% against GPT Chess's 33%. Chess Notation Lab also leads on rating (5.0 vs 4.1) and update cadence (every 3 days vs every 9 days). GPT Chess's advantage is iOS requirement (16.0 vs 18.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. GPT Chess sells 1 in-app purchase, starting at $1.99 per month and Chess Notation Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Chess Notation Lab holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 16 and 6 respectively. Written reviews point the same way: 33% of GPT Chess's written reviews are positive against 100% of Chess Notation Lab's.

GPT Chess ships an update every 9 days, Chess Notation Lab every 3 days. The most recent releases landed on August 31, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | GPT Chess | Chess Notation Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (16 ratings)](https://appshunter.io/ios/app/gpt-chess/id6477067680/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/chess-notation-lab/id6480255515/reviews)** |
| Number of ratings | **16** | 6 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 88 MB | 26 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FusionX Tech LLC](https://appshunter.io/developer/1773335201) | [Nishat Majid](https://appshunter.io/developer/1727207034) |

## What reviewers say

### GPT Chess

[App page](https://appshunter.io/ios/app/gpt-chess/id6477067680)

Engage in chess matches against advanced AI models like ChatGPT and Gemini. Choose between standard rules or a chaotic no-rule mode where AI instructions dictate gameplay. The app features conversational AI during play and offers multiple AI strength levels.

**Highlights:** Play against ChatGPT and Gemini AI, Standard chess rules mode, No-rule chess mode with AI instructions, Multiple AI strength levels, Conversational AI during gameplay, Minimalist design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited APIs | $1.99 | per month |


### 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 |


## Frequently asked questions

### Is GPT Chess free?

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

### Is Chess Notation Lab free?

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

### Which has better reviews, GPT Chess or Chess Notation Lab?

Chess Notation Lab is rated higher. GPT Chess averages 4.1 out of 5 from 16 ratings, while Chess Notation Lab averages 5.0 from 6 ratings.

### Do GPT Chess or Chess Notation Lab have ads?

Neither GPT Chess nor Chess Notation Lab shows ads.

### Which is updated more often, GPT Chess or Chess Notation Lab?

GPT Chess ships an update every 9 days, and Chess Notation Lab every 3 days. Most recently, GPT Chess was updated on August 31, 2026 and Chess Notation Lab on September 7, 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.*