# X vs CogniAtlas

The clearest difference is in-app purchases: X at none against CogniAtlas's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CogniAtlas sells 2 in-app purchases, starting at $4.99 per month. X asks for nothing beyond the download.

X ships an update monthly, CogniAtlas fortnightly. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | X | CogniAtlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/x-notes-ai-study-notes/id6498873540/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 84 MB | 48 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [VanAnh Nguyen](https://appshunter.io/developer/1768719425) | [Fx group](https://appshunter.io/developer/1804549178) |

## What reviewers say

### X

[App page](https://appshunter.io/ios/app/x-notes-ai-study-notes/id6498873540)

This AI-powered note-taking app helps students organize and access study materials across devices. It converts handwriting, speech, and images to text, and allows for lecture recording. Notes are kept private and secure within the Apple ecosystem.

**Highlights:** Handwriting to Text conversion, Speech to Text for lectures, Image to Text (OCR), Voice notes for lectures, iPad & Mac sync via iCloud, Private and secure note-taking

**In-app purchases:** none


### CogniAtlas

[App page](https://appshunter.io/ios/app/cogniatlas/id6799561195)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CogniAtlas Pro | $4.99 | per month |
| CogniAtlas Pro | $39.99 | per year |


## Frequently asked questions

### Is X free?

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

### Is CogniAtlas free?

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

### Do X or CogniAtlas have ads?

Neither X nor CogniAtlas shows ads.

### Which is updated more often, X or CogniAtlas?

X ships an update monthly, and CogniAtlas fortnightly. Most recently, X was updated on September 28, 2026 and CogniAtlas on October 7, 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.*