# 西昌发布 vs 四川观察AI版

The clearest difference is iOS requirement: 四川观察AI版 at 13.0 against 西昌发布's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

西昌发布 ships an update monthly, 四川观察AI版 every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 西昌发布 | 四川观察AI版 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 41 MB | 159 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Xichang Qiyue Network Technology Co., Ltd.](https://appshunter.io/developer/1052016255) | [Sichuan Guanchahe Innovation Media Development Co.,Ltd.](https://appshunter.io/developer/1675448590) |

## What reviewers say

### 西昌发布

[App page](https://appshunter.io/ios/app/id1533371479)

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

**In-app purchases:** none


### 四川观察AI版

[App page](https://appshunter.io/ios/app/ai/id6740073056)

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

**In-app purchases:** none


## Frequently asked questions

### Is 西昌发布 free?

西昌发布 is free to download, with no in-app purchases.

### Is 四川观察AI版 free?

四川观察AI版 is free to download, with no in-app purchases.

### Do 西昌发布 or 四川观察AI版 have ads?

Neither 西昌发布 nor 四川观察AI版 shows ads.

### Which is updated more often, 西昌发布 or 四川观察AI版?

西昌发布 ships an update monthly, and 四川观察AI版 every 3 weeks. Most recently, 西昌发布 was updated on November 3, 2026 and 四川观察AI版 on October 30, 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.*