# 通达OA vs 林州建筑

The clearest difference is update cadence: 通达OA at every 9 days against 林州建筑's every 4 months. 林州建筑's advantage is iOS requirement (9.0 vs 13). 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.

通达OA ships an update every 9 days, 林州建筑 every 4 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 通达OA | 林州建筑 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 17.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Free | — |
| Size | 210 MB | 33 MB |
| Requires iOS | 13 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [北京通达信科科技有限公司](https://appshunter.io/developer/1018115125) | [天筑科技股份有限公司](https://appshunter.io/developer/1273489727) |

## What reviewers say

### 通达OA

[App page](https://appshunter.io/ios/app/oa/id1476669086)

This mobile application provides a network-based intelligent office system for businesses. It offers features like email, announcements, scheduling, and workflow management, aiming to enhance corporate productivity.

**Highlights:** Email, Announcements, Schedule Management, Contact Directory, Workflow, Micro-messages

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

**In-app purchases:** none


### 林州建筑

[App page](https://appshunter.io/ios/app/id1560093533)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 通达OA free?

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

### Is 林州建筑 free?

林州建筑 is free to download, with no in-app purchases.

### Do 通达OA or 林州建筑 have ads?

Neither 通达OA nor 林州建筑 shows ads.

### Which is updated more often, 通达OA or 林州建筑?

通达OA ships an update every 9 days, and 林州建筑 every 4 months. Most recently, 通达OA was updated on October 30, 2026 and 林州建筑 on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*