# 心流狐 vs Cortex

The clearest difference is in-app purchases: 心流狐 at none against Cortex's 3. 心流狐 also leads on ads (none vs shown) and update cadence (every 2 days vs every 5 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cortex sells 3 in-app purchases, starting at $6.99 per month. 心流狐 asks for nothing beyond the download.

心流狐 ships an update every 2 days, Cortex every 5 days. Both last shipped on November 13, 2026.

## The numbers

| Metric | 心流狐 | Cortex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 64 MB | 87 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [仕琦 牛](https://appshunter.io/developer/1825984616) | [Dmitry Afanasyev](https://appshunter.io/developer/1788884993) |

## What reviewers say

### 心流狐

[App page](https://appshunter.io/ios/app/id6756912631)

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

**In-app purchases:** none


### Cortex

[App page](https://appshunter.io/ios/app/cortex-ai-focus-timer/id6759869031)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Focus Timer Premium | $6.99 | per month |
| AI Focus Timer Premium | $49.99 | per year |
| AI Focus Timer Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is 心流狐 free?

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

### Is Cortex free?

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

### Do 心流狐 or Cortex have ads?

Cortex shows ads; 心流狐 does not.

### Which is updated more often, 心流狐 or Cortex?

心流狐 ships an update every 2 days, and Cortex every 5 days. Most recently, 心流狐 was updated on November 13, 2026 and Cortex on November 13, 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.*