# 凯海智慧 vs 树字MES

The clearest difference is update cadence: 凯海智慧 at every 4 days against 树字MES's every 3 weeks. 凯海智慧 also leads on iOS requirement (9.0 vs 12.0). 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.

凯海智慧 ships an update every 4 days, 树字MES every 3 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 凯海智慧 | 树字MES |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 21 MB | 43 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mantunsci](https://appshunter.io/developer/1061501764) | [Shenzhen Shuzi Information Technology Co., Ltd.](https://appshunter.io/developer/1448228124) |

## What reviewers say

### 凯海智慧

[App page](https://appshunter.io/ios/app/id1507533304)

**Features:** macOS Compatibility

**In-app purchases:** none


### 树字MES

[App page](https://appshunter.io/ios/app/mes/id1576305439)

**In-app purchases:** none


## Frequently asked questions

### Is 凯海智慧 free?

凯海智慧 is free to download, with no in-app purchases.

### Is 树字MES free?

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

### Do 凯海智慧 or 树字MES have ads?

Neither 凯海智慧 nor 树字MES shows ads.

### Which is updated more often, 凯海智慧 or 树字MES?

凯海智慧 ships an update every 4 days, and 树字MES every 3 weeks. Most recently, 凯海智慧 was updated on October 6, 2026 and 树字MES on October 4, 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.*