# Brain games,Brain training арр vs Chess Notation Lab Pro

The clearest difference is price: Brain games,Brain training арр at Free against Chess Notation Lab Pro's $9.99. Brain games,Brain training арр also leads on iOS requirement (13.0 vs 18.6). Chess Notation Lab Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Brain games,Brain training арр is free to download; Chess Notation Lab Pro costs $9.99 up front. Brain games,Brain training арр sells 1 in-app purchase, starting at $4.99 per 7 days. Chess Notation Lab Pro asks for nothing beyond the download.

Brain games,Brain training арр ships an update every 5 days, Chess Notation Lab Pro weekly. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Brain games,Brain training арр | Chess Notation Lab Pro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | — | Paid |
| Size | 77 MB | 25 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mark Hughes](https://appshunter.io/developer/1595054605) | [Nishat Majid](https://appshunter.io/developer/1727207034) |

## What reviewers say

### Brain games,Brain training арр

[App page](https://appshunter.io/ios/app/brain-gamesbrain-training/id1673560387)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Puzzle scape | $4.99 | per 7 days |


### 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


## Frequently asked questions

### Is Brain games,Brain training арр free?

Brain games,Brain training арр is free to download, with in-app purchases available.

### Is Chess Notation Lab Pro free?

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

### Do Brain games,Brain training арр or Chess Notation Lab Pro have ads?

Brain games,Brain training арр shows ads; Chess Notation Lab Pro does not.

### Which is updated more often, Brain games,Brain training арр or Chess Notation Lab Pro?

Brain games,Brain training арр ships an update every 5 days, and Chess Notation Lab Pro weekly. Most recently, Brain games,Brain training арр was updated on October 3, 2026 and Chess Notation Lab Pro on October 14, 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.*