# 辩论小宇宙 vs Cortex

The clearest difference is in-app purchases: 辩论小宇宙 at none against Cortex's 7. Cortex's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cortex sells 7 in-app purchases, starting at $4.99 per 7 days. 辩论小宇宙 asks for nothing beyond the download.

辩论小宇宙 ships an update every 3 weeks, Cortex every 4 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | 辩论小宇宙 | Cortex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 11 MB | 68 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [宏峰 恽](https://appshunter.io/developer/1853464681) | [ODBS LLC](https://appshunter.io/developer/1816580215) |

## What reviewers say

### 辩论小宇宙

[App page](https://appshunter.io/ios/app/id6755654772)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cortex

[App page](https://appshunter.io/ios/app/cortex-ai-chat-assistant/id6760509573)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Weekly | $4.99 | per 7 days |
| Pro Monthly | $8.99 | per month |
| Pro Weekly | $9.99 | per 7 days |
| Pro Yearly | $69.99 | per year |
| 500 Credits | $1.99 | one-time |
| 50 Credits | $2.99 | one-time |
| 150 Credits | $6.99 | one-time |


## Frequently asked questions

### Is 辩论小宇宙 free?

辩论小宇宙 is free to download, with no in-app purchases.

### Is Cortex free?

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

### Do 辩论小宇宙 or Cortex have ads?

Neither 辩论小宇宙 nor Cortex shows ads.

### Which is updated more often, 辩论小宇宙 or Cortex?

辩论小宇宙 ships an update every 3 weeks, and Cortex every 4 days. Most recently, 辩论小宇宙 was updated on October 7, 2026 and Cortex 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.*