# O Córtex vs Tudü

The clearest difference is update cadence: Tudü at daily against O Córtex's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

O Córtex ships an update fortnightly, Tudü daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | O Córtex | Tudü |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/o-cortex/id6759563668/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free | — |
| Size | 111 MB | 18 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [D7 Lançamentos](https://appshunter.io/developer/1697201336) | [Tudu Intermediacao de Servicos LTDA](https://appshunter.io/developer/6822452364) |

## What reviewers say

### O Córtex

[App page](https://appshunter.io/ios/app/o-cortex/id6759563668)

Access your true potential with this app that combines neuroscience, quantum physics, and NLP. It offers daily mental reprogramming audios, transformative series, expert-led courses, and a supportive community. Download videos for offline viewing and join exclusive live sessions.

**Highlights:** Daily mental reprogramming audios, Transformative series with scientific content, Expert-led courses, Vibrant community, Offline video downloads, Exclusive live session notifications

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

**In-app purchases:** none


### Tudü

[App page](https://appshunter.io/ios/app/tudu/id6822452362)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O Córtex free?

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

### Is Tudü free?

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

### Do O Córtex or Tudü have ads?

Neither O Córtex nor Tudü shows ads.

### Which is updated more often, O Córtex or Tudü?

O Córtex ships an update fortnightly, and Tudü daily. Most recently, O Córtex was updated on October 31, 2026 and Tudü on October 31, 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.*