# Buyang Intellect vs 优卧

The clearest difference is update cadence: 优卧 at every 10 days against Buyang Intellect's every 30 months. Buyang Intellect's advantage is iOS requirement (13.0 vs 15.0). 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.

Buyang Intellect ships an update every 30 months, 优卧 every 10 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Buyang Intellect | 优卧 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 10 days** |
| Size | 198 MB | 157 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Buyang Group Co., Ltd.](https://appshunter.io/developer/1569785917) | [Oucheng Technology Information (Shenzhen) Co., Ltd](https://appshunter.io/developer/1726795013) |

## What reviewers say

### Buyang Intellect

[App page](https://appshunter.io/ios/app/buyang-intellect/id1569785585)

**In-app purchases:** none


### 优卧

[App page](https://appshunter.io/ios/app/id6476877873)

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

**In-app purchases:** none


## Frequently asked questions

### Is Buyang Intellect free?

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

### Is 优卧 free?

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

### Do Buyang Intellect or 优卧 have ads?

Neither Buyang Intellect nor 优卧 shows ads.

### Which is updated more often, Buyang Intellect or 优卧?

Buyang Intellect ships an update every 30 months, and 优卧 every 10 days. Most recently, Buyang Intellect was updated on October 13, 2026 and 优卧 on October 24, 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.*