# PrepMDCAT vs AEP Preview by ARVO

The clearest difference is in-app purchases: AEP Preview by ARVO at none against PrepMDCAT's 3. AEP Preview by ARVO also leads on ads (none vs shown) and update cadence (every 4 days vs every 11 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PrepMDCAT sells 3 in-app purchases, starting at $8.99 per month. AEP Preview by ARVO asks for nothing beyond the download.

PrepMDCAT ships an update every 11 days, AEP Preview by ARVO every 4 days. Both last shipped on October 5, 2026.

## The numbers

| Metric | PrepMDCAT | AEP Preview by ARVO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 4 days** |
| Size | 55 MB | 123 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ibrahim Akram](https://appshunter.io/developer/1887596409) | [TheTowerTech](https://appshunter.io/developer/1259751444) |

## What reviewers say

### PrepMDCAT

[App page](https://appshunter.io/ios/app/prepmdcat/id6761064418)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $8.99 | per month |
| Quarterly Premium | $22.99 | per 3 months |
| Annual Premium | $64.99 | per year |


### AEP Preview by ARVO

[App page](https://appshunter.io/ios/app/aep-preview-by-arvo/id6766014237)

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

**In-app purchases:** none


## Frequently asked questions

### Is PrepMDCAT free?

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

### Is AEP Preview by ARVO free?

AEP Preview by ARVO is free to download, with no in-app purchases.

### Do PrepMDCAT or AEP Preview by ARVO have ads?

PrepMDCAT shows ads; AEP Preview by ARVO does not.

### Which is updated more often, PrepMDCAT or AEP Preview by ARVO?

PrepMDCAT ships an update every 11 days, and AEP Preview by ARVO every 4 days. Most recently, PrepMDCAT was updated on October 5, 2026 and AEP Preview by ARVO on October 5, 2026.

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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.*