# SecMail vs 日程待办清单

The clearest difference is iOS requirement: SecMail at 13.0 against 日程待办清单's 16.0. 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, 日程待办清单 every 2 weeks. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SecMail | 日程待办清单 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 61 MB | 6 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [北京指掌易科技有限公司](https://appshunter.io/developer/1149823074) | [肖龙 刘](https://appshunter.io/developer/1871961899) |

## What reviewers say

### SecMail

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

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

**In-app purchases:** none


### 日程待办清单

[App page](https://appshunter.io/ios/app/id6758297112)

**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 日程待办清单 free?

日程待办清单 is free to download, with no in-app purchases.

### Do SecMail or 日程待办清单 have ads?

Neither SecMail nor 日程待办清单 shows ads.

### Which is updated more often, SecMail or 日程待办清单?

SecMail ships an update monthly, and 日程待办清单 every 2 weeks. Most recently, SecMail was updated on October 16, 2026 and 日程待办清单 on October 20, 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.*