# AI in a Shell vs CipherDeck

The clearest difference is device support: AI in a Shell at 2 against CipherDeck's —. CipherDeck's advantage is iOS requirement (13.0 vs 15.1). On price and in-app purchases 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 | AI in a Shell | CipherDeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Size | 76 MB | 45 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Hayer](https://appshunter.io/developer/1860088369) | [Haileslassie Lilay Desalegn](https://appshunter.io/developer/1841785547) |

## What reviewers say

### AI in a Shell

[App page](https://appshunter.io/ios/app/ai-in-a-shell/id6759448227)

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

**In-app purchases:** none


### CipherDeck

[App page](https://appshunter.io/ios/app/cipherdeck-cyber-flashcards/id6760842517)

**In-app purchases:** none


## Frequently asked questions

### Is AI in a Shell free?

AI in a Shell is free to download, with no in-app purchases.

### Is CipherDeck free?

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

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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.*