# Lethe chess vs N

The clearest difference is in-app purchases: Lethe chess at none against N's 1. Lethe chess also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. N sells 1 in-app purchase, starting at $1.99 per month. Lethe chess asks for nothing beyond the download.

## The numbers

| Metric | Lethe chess | N |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 80 MB | 5 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Henry Houghton](https://appshunter.io/developer/1809789604) | [Toru Fukui](https://appshunter.io/developer/1888097145) |

## What reviewers say

### Lethe chess

[App page](https://appshunter.io/ios/app/lethe-chess/id6758116553)

**Features:** macOS Compatibility

**In-app purchases:** none


### N

[App page](https://appshunter.io/ios/app/n-back-brain-trainer/id6761675343)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is Lethe chess free?

Lethe chess is free to download, with no in-app purchases.

### Is N free?

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

### Do Lethe chess or N have ads?

N shows ads; Lethe chess does not.

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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.*