# CatAI vs MPEdie

The clearest difference is in-app purchases: MPEdie at none against CatAI's 2. MPEdie also leads on update cadence (every 6 days vs every 5 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. CatAI sells 2 in-app purchases, starting at $9.99 per 7 days. MPEdie asks for nothing beyond the download.

CatAI ships an update every 5 months, MPEdie every 6 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CatAI | MPEdie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (8 ratings)](https://appshunter.io/ios/app/mpedie-mpe-controller/id6797221668/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 19 MB | 10 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Cupido Technology Corporation Limited](https://appshunter.io/developer/1818707735) | [Diego Capoccitti](https://appshunter.io/developer/1650005470) |

## What reviewers say

### CatAI

[App page](https://appshunter.io/ios/app/catai-identifycat-translator/id6755180307)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cat AI Pro Weekly | $9.99 | per 7 days |
| Cat AI Pro Yearly | $39.99 | per year |


### MPEdie

[App page](https://appshunter.io/ios/app/mpedie-mpe-controller/id6797221668)

This app is an expressive MIDI keyboard controller for mobile devices. It allows for detailed per-note expression, enabling unique sound manipulation. It can be used standalone or as an AUv3 plugin with other music applications.

**Highlights:** MPE keyboard controller, Per-note MIDI channel control, Four playing surfaces (Piano, Isomorphic, Ribbon, Scale Grid), Customizable expression matrix, AUv3 plugin support, Standalone operation, 26 presets

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

**In-app purchases:** none


## Frequently asked questions

### Is CatAI free?

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

### Is MPEdie free?

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

### Do CatAI or MPEdie have ads?

Neither CatAI nor MPEdie shows ads.

### Which is updated more often, CatAI or MPEdie?

CatAI ships an update every 5 months, and MPEdie every 6 days. Most recently, CatAI was updated on October 16, 2026 and MPEdie on October 25, 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.*