# ArcadianAI Security vs ModelPrompt

The clearest difference is in-app purchases: ArcadianAI Security at none against ModelPrompt's 1. ModelPrompt's advantage is iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. ModelPrompt sells 1 one-off in-app purchase. ArcadianAI Security asks for nothing beyond the download.

## The numbers

| Metric | ArcadianAI Security | ModelPrompt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 14 MB | 39 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arcadian Orbit Inc.](https://appshunter.io/developer/1780288408) | [Alan Newton](https://appshunter.io/developer/1865565879) |

## What reviewers say

### ArcadianAI Security

[App page](https://appshunter.io/ios/app/arcadianai-security/id6738341358)

**Features:** macOS Compatibility

**In-app purchases:** none


### ModelPrompt

[App page](https://appshunter.io/ios/app/modelprompt-prompt-optimizer/id6757251279)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ModelPrompt Pro | $2.99 | one-time |


## Frequently asked questions

### Is ArcadianAI Security free?

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

### Is ModelPrompt free?

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

### Do ArcadianAI Security or ModelPrompt have ads?

Neither ArcadianAI Security nor ModelPrompt shows ads.

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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.*