# Chess Notation Lab Pro vs StonePath

The clearest difference is price: StonePath at Free against Chess Notation Lab Pro's $9.99. Chess Notation Lab Pro's advantage is in-app purchases (none vs 2). On review sentiment, update cadence, ads and device support there is nothing between them.

StonePath is free to download; Chess Notation Lab Pro costs $9.99 up front. StonePath sells 2 in-app purchases, starting at $4.99 per month. Chess Notation Lab Pro asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Chess Notation Lab Pro | StonePath |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 25 MB | 244 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nishat Majid](https://appshunter.io/developer/1727207034) | [Alexey Volvak](https://appshunter.io/developer/6782193690) |

## 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


### StonePath

[App page](https://appshunter.io/ios/app/stonepath-go-game-9x9/id6807205641)

This app is a dedicated trainer for the 9x9 Go board, offering interactive play for openings, shapes, and master games. It provides detailed move analysis and multiple AI opponents, all running locally on your device.

**Highlights:** Interactive 9x9 Go board play, AI opponents from 20K to 1D, Detailed move analysis and verdicts, Live opening book with KataGo evaluations, 1,958 Go problems, including classics, Life-and-death shape training

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StonePath Pro - Monthly | $4.99 | per month |
| StonePath Pro - Yearly | $29.99 | per year |


## Frequently asked questions

### Is Chess Notation Lab Pro free?

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

### Is StonePath free?

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

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

Neither Chess Notation Lab Pro nor StonePath shows ads.

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

Chess Notation Lab Pro ships an update weekly, and StonePath weekly. Most recently, Chess Notation Lab Pro was updated on September 23, 2026 and StonePath on October 9, 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.*