# 钢信 vs 兰树办公OA

The clearest difference is iOS requirement: 钢信 at 11.0 against 兰树办公OA's 13.5. 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.

钢信 ships an update monthly, 兰树办公OA every 3 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 钢信 | 兰树办公OA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 83 MB | 109 MB |
| Requires iOS | **11.0** | 13.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [中联钢信电子商务有限公司](https://appshunter.io/developer/1166841040) | [浙江兰树化妆品有限公司](https://appshunter.io/developer/1588006508) |

## What reviewers say

### 钢信

[App page](https://appshunter.io/ios/app/id1474512012)

**Features:** macOS Compatibility

**In-app purchases:** none


### 兰树办公OA

[App page](https://appshunter.io/ios/app/oa/id1593158623)

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

**In-app purchases:** none


## Frequently asked questions

### Is 钢信 free?

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

### Is 兰树办公OA free?

兰树办公OA is free to download, with no in-app purchases.

### Do 钢信 or 兰树办公OA have ads?

Neither 钢信 nor 兰树办公OA shows ads.

### Which is updated more often, 钢信 or 兰树办公OA?

钢信 ships an update monthly, and 兰树办公OA every 3 weeks. Most recently, 钢信 was updated on October 16, 2026 and 兰树办公OA on October 7, 2026.

---

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