# SecMail vs 智慧监理系统

The clearest difference is iOS requirement: SecMail at 13.0 against 智慧监理系统's 15.6. 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.

SecMail ships an update monthly, 智慧监理系统 every 3 weeks. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SecMail | 智慧监理系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 61 MB | 26 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京指掌易科技有限公司](https://appshunter.io/developer/1149823074) | [江苏苏科建设项目管理有限公司](https://appshunter.io/developer/1850613345) |

## What reviewers say

### SecMail

[App page](https://appshunter.io/ios/app/secmail/id6463353812)

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

**In-app purchases:** none


### 智慧监理系统

[App page](https://appshunter.io/ios/app/id6754863343)

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

**In-app purchases:** none


## Frequently asked questions

### Is SecMail free?

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

### Is 智慧监理系统 free?

智慧监理系统 is free to download, with no in-app purchases.

### Do SecMail or 智慧监理系统 have ads?

Neither SecMail nor 智慧监理系统 shows ads.

### Which is updated more often, SecMail or 智慧监理系统?

SecMail ships an update monthly, and 智慧监理系统 every 3 weeks. Most recently, SecMail was updated on October 16, 2026 and 智慧监理系统 on October 5, 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.*