# SecMail vs Keiros

The clearest difference is update cadence: Keiros at every 2 weeks against SecMail's monthly. 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.

SecMail ships an update monthly, Keiros every 2 weeks. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SecMail | Keiros |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 61 MB | 87 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [北京指掌易科技有限公司](https://appshunter.io/developer/1149823074) | [HOICKO TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1611139767) |

## What reviewers say

### SecMail

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

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

**In-app purchases:** none


### Keiros

[App page](https://appshunter.io/ios/app/keiros/id6759155891)

**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 Keiros free?

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

### Do SecMail or Keiros have ads?

Neither SecMail nor Keiros shows ads.

### Which is updated more often, SecMail or Keiros?

SecMail ships an update monthly, and Keiros every 2 weeks. Most recently, SecMail was updated on October 16, 2026 and Keiros on October 15, 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.*