# Brain Training Together vs Chess Codex

The clearest difference is ads: Brain Training Together at none against Chess Codex's shown. Brain Training Together also leads on iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Brain Training Together | Chess Codex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 50 MB | 36 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [mieko kamiya](https://appshunter.io/developer/544279597) | [Vince Lubbers](https://appshunter.io/developer/1889839785) |

## What reviewers say

### Brain Training Together

[App page](https://appshunter.io/ios/app/brain-training-together/id6478842834)

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

**In-app purchases:** none


### Chess Codex

[App page](https://appshunter.io/ios/app/chess-codex/id6778615817)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Training Together free?

Brain Training Together is free to download, with no in-app purchases.

### Is Chess Codex free?

Chess Codex is free to download, with no in-app purchases.

### Do Brain Training Together or Chess Codex have ads?

Chess Codex shows ads; Brain Training Together 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.*