# Chess Notation Lab vs Invisible Chess

The clearest difference is price: Chess Notation Lab at Free against Invisible Chess's $3.99. Invisible Chess's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 18.6). On ads and device support there is nothing between them.

Chess Notation Lab is free to download; Invisible Chess costs $3.99 up front. Chess Notation Lab sells 1 one-off in-app purchase. Invisible Chess asks for nothing beyond the download.

## The numbers

| Metric | Chess Notation Lab | Invisible Chess |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/chess-notation-lab/id6480255515/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 5 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nishat Majid](https://appshunter.io/developer/1727207034) | [APOSTOLOS KOUTIS](https://appshunter.io/developer/1877366534) |

## 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 |


### Invisible Chess

[App page](https://appshunter.io/ios/app/invisible-chess-master-void/id6759197334)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chess Notation Lab free?

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

### Is Invisible Chess free?

Invisible Chess costs $3.99, with no in-app purchases.

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

Neither Chess Notation Lab nor Invisible Chess shows ads.

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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.*