# Mo Disk vs Brain AI

Mo Disk and Brain AI both sit at 3.1 stars, but that hides the real split: 100% of Brain AI's written reviews are positive against 46% of Mo Disk's. Mo Disk's advantage is in-app purchases (none vs 1) and ratings volume (64 vs 2). On price, rating, monetization model and device support there is nothing between them.

Both are free to download. Brain AI sells 1 in-app purchase, starting at $1.99 per month. Mo Disk asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.1 for Mo Disk against 3.0 for Brain AI. That said, the two scores are not equally well evidenced: Mo Disk has 64 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 46% of Mo Disk's written reviews are positive against 100% of Brain AI's.

## The numbers

| Metric | Mo Disk | Brain AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (64 ratings)](https://appshunter.io/ios/app/mo-disk/id1454488024/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/brain-ai/id6448679273/reviews) |
| Number of ratings | **64** | 2 |
| Positive reviews | 46.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 6 months | — |
| Monetization | Free | Free |
| Size | 110 MB | 6 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建华 黄](https://appshunter.io/developer/1693348384) | [mustafa eral](https://appshunter.io/developer/1551534884) |

## What reviewers say

### Mo Disk

[App page](https://appshunter.io/ios/app/mo-disk/id1454488024)

Expand your device's storage by backing up photos, videos, and contacts to an external device. Capture media directly to external storage and transfer files between devices, including non-Apple ones. Enjoy media stored on your external drive.

**Highlights:** Backup photos and videos, Backup contacts, Save media to external device, Transfer files between devices, Play external media, Expand device storage

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain AI

[App page](https://appshunter.io/ios/app/brain-ai/id6448679273)

This AI chatbot offers a personalized communication experience, acting as a friend, tutor, or coach. It understands natural language, learns from interactions, and provides a secure, customizable interface for various applications like language learning and mental health support.

**Highlights:** AI Friend, Tutor, and Coach, Natural Language Understanding, Intuitive Interface, Continuous Learning, Privacy and Security, Customizable Experience, Multilingual Support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brain AI Premium | $1.99 | per month |


## Frequently asked questions

### Is Mo Disk free?

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

### Is Brain AI free?

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

### Which has better reviews, Mo Disk or Brain AI?

Mo Disk is rated higher. Mo Disk averages 3.1 out of 5 from 64 ratings, while Brain AI averages 3.0 from 2 ratings.

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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.*