# Chain Store Vocab vs Red Hat Linux Exam Prep (+AI)

The clearest difference is in-app purchases: Red Hat Linux Exam Prep (+AI) at none against Chain Store Vocab's 3. Red Hat Linux Exam Prep (+AI) also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Chain Store Vocab sells 3 in-app purchases, starting at $0.99 per 7 days. Red Hat Linux Exam Prep (+AI) asks for nothing beyond the download.

## The numbers

| Metric | Chain Store Vocab | Red Hat Linux Exam Prep (+AI) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Size | 82 MB | 32 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Creatopia Inc.](https://appshunter.io/developer/1523447963) | [Monynith Sovann](https://appshunter.io/developer/1685866530) |

## What reviewers say

### Chain Store Vocab

[App page](https://appshunter.io/ios/app/chain-store-vocab/id6761074654)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Weekly) | $0.99 | per 7 days |
| Premium (Monthly) | $2.99 | per month |
| Premium (Yearly) | $24.99 | per year |


### Red Hat Linux Exam Prep (+AI)

[App page](https://appshunter.io/ios/app/red-hat-linux-exam-prep-plus-ai/id6791208017)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chain Store Vocab free?

Chain Store Vocab is free to download, with in-app purchases available.

### Is Red Hat Linux Exam Prep (+AI) free?

Red Hat Linux Exam Prep (+AI) is free to download, with no in-app purchases.

### Do Chain Store Vocab or Red Hat Linux Exam Prep (+AI) have ads?

Chain Store Vocab shows ads; Red Hat Linux Exam Prep (+AI) 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.*