# MKX NOTES vs OThree AI

The clearest difference is review sentiment: MKX NOTES at 85% against OThree AI's 0%. MKX NOTES also leads on in-app purchases (none vs 1) and iOS requirement (15.0 vs 18.0). OThree AI's advantage is update cadence (every 9 days vs every 34 months). On price, ads and device support there is nothing between them.

Both are free to download. OThree AI sells 1 in-app purchase, starting at $14.99 per month. MKX NOTES asks for nothing beyond the download.

MKX NOTES ships an update every 34 months, OThree AI every 9 days. Both last shipped on October 2, 2026.

## The numbers

| Metric | MKX NOTES | OThree AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/mkx-notes/id1082686904/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **84.6% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 9 days** |
| Monetization | **Free** | Freemium |
| Size | 7 MB | 1.7 GB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [V Group Inc](https://appshunter.io/developer/916210832) | [Seven Delta Seven LLC](https://appshunter.io/developer/1782302903) |

## What reviewers say

### MKX NOTES

[App page](https://appshunter.io/ios/app/mkx-notes/id1082686904)

Organize your thoughts and media with this app. Capture text, photos, and videos, and easily search through all your content. Share your notes and findings with others.

**Highlights:** Text, photo, and video notes, Searchable notes, photos, and videos, Frame data viewing, Share notes via social media/messaging, Organize by players, characters, or frame data

**Features:** Vision Pro support

**In-app purchases:** none


### OThree AI

[App page](https://appshunter.io/ios/app/othree-ai-fast-private-chat/id6740998410)

This AI chat application provides instant answers and assistance using advanced language models. It offers both offline and cloud-based access, prioritizing user privacy with a zero-data-storage policy. Enjoy seamless compatibility across Apple devices for a convenient AI experience.

**Highlights:** Offline Large Language Model, Ultra-fast Cloud LLM, Zero-data storage privacy, Universal Apple device compatibility, Quick answers and brainstorming, Drafting emails and documents

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OThree Premium | $14.99 | per month |


## Frequently asked questions

### Is MKX NOTES free?

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

### Is OThree AI free?

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

### Do MKX NOTES or OThree AI have ads?

Neither MKX NOTES nor OThree AI shows ads.

### Which is updated more often, MKX NOTES or OThree AI?

MKX NOTES ships an update every 34 months, and OThree AI every 9 days. Most recently, MKX NOTES was updated on October 2, 2026 and OThree AI on October 2, 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.*