# 乐展办公 vs 上海CA（辽宁版）

The clearest difference is update cadence: 乐展办公 at every 2 months against 上海CA（辽宁版）'s every 21 months. 上海CA（辽宁版）'s advantage is iOS requirement (13.0 vs 15.6). 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.

乐展办公 ships an update every 2 months, 上海CA（辽宁版） every 21 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 乐展办公 | 上海CA（辽宁版） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Size | 73 MB | 29 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建波 闫](https://appshunter.io/developer/1182892261) | [Shanghai Electronic Certificate Authority Center Co.,LTD](https://appshunter.io/developer/924307388) |

## What reviewers say

### 乐展办公

[App page](https://appshunter.io/ios/app/id1372641032)

**Features:** Vision Pro support

**In-app purchases:** none


### 上海CA（辽宁版）

[App page](https://appshunter.io/ios/app/ca/id6445949174)

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

**In-app purchases:** none


## Frequently asked questions

### Is 乐展办公 free?

乐展办公 is free to download, with no in-app purchases.

### Is 上海CA（辽宁版） free?

上海CA（辽宁版） is free to download, with no in-app purchases.

### Do 乐展办公 or 上海CA（辽宁版） have ads?

Neither 乐展办公 nor 上海CA（辽宁版） shows ads.

### Which is updated more often, 乐展办公 or 上海CA（辽宁版）?

乐展办公 ships an update every 2 months, and 上海CA（辽宁版） every 21 months. Most recently, 乐展办公 was updated on October 29, 2026 and 上海CA（辽宁版） 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.*