# His 75 vs Cortex

His 75 and Cortex are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. His 75 sells 3 in-app purchases, starting at $7.99 per 7 days and Cortex sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | His 75 | Cortex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 45 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Her Manifestation](https://appshunter.io/developer/6789318282) | [Hendrik Alastair Kung](https://appshunter.io/developer/6793638181) |

## What reviewers say

### His 75

[App page](https://appshunter.io/ios/app/his-75/id6797516640)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly | $7.99 | per 7 days |
| monthly | $14.99 | per month |
| yearly | $49.99 | per year |


### Cortex

[App page](https://appshunter.io/ios/app/cortex-attention-lab/id6806795452)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cortex Pro Monthly | $4.99 | per month |
| Cortex Pro Annual | $34.99 | per year |
| Cortex Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is His 75 free?

His 75 is free to download, with in-app purchases available.

### Is Cortex free?

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

### Do His 75 or Cortex have ads?

Neither His 75 nor Cortex shows ads.

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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.*