# Chess Notation Lab vs Mathmory

The clearest difference is ads: Chess Notation Lab at none against Mathmory's shown. Chess Notation Lab also leads on update cadence (every 3 days vs every 3 months). Mathmory's advantage is iOS requirement (12.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

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

Chess Notation Lab ships an update every 3 days, Mathmory every 3 months. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Chess Notation Lab | Mathmory |
| --- | --- | --- |
| Price | Free | Free |
| 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 | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 41 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) | [Bilge Acilikaya](https://appshunter.io/developer/959377817) |

## 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, Vision Pro support

**In-app purchases (1)**

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


### Mathmory

[App page](https://appshunter.io/ios/app/mathmory-math-and-memory-game/id6740012501)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 Hint Coin | $1.19 | one-time |


## Frequently asked questions

### Is Chess Notation Lab free?

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

### Is Mathmory free?

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

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

Mathmory shows ads; Chess Notation Lab does not.

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

Chess Notation Lab ships an update every 3 days, and Mathmory every 3 months. Most recently, Chess Notation Lab was updated on October 30, 2026 and Mathmory on November 8, 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.*