# SekurMail vs Atlos

The clearest difference is update cadence: Atlos at every 3 days against SekurMail's fortnightly. Atlos also leads on iOS requirement (15.1 vs 26.5). 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.

SekurMail ships an update fortnightly, Atlos every 3 days. The most recent releases landed on October 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SekurMail | Atlos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (19 ratings)](https://appshunter.io/ios/app/sekurmail/id1591039668/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | — |
| Size | 2 MB | 37 MB |
| Requires iOS | 26.5 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GlobeX Data S.A.](https://appshunter.io/developer/443411077) | [NN Software ApS](https://appshunter.io/developer/1896341418) |

## What reviewers say

### SekurMail

[App page](https://appshunter.io/ios/app/sekurmail/id1591039668)

A secure and private email service hosted in Switzerland, offering end-to-end encryption and features like password-protected emails with read limits and expiration dates. It allows for large file attachments and secure calendar invites.

**Highlights:** End-to-end encrypted email, Password-protected SekurSend emails, Email read limits and expiration, Up to 5 GB attachments, Secure calendar invites, Email view monitoring

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

**In-app purchases:** none


### Atlos

[App page](https://appshunter.io/ios/app/atlos/id6766962780)

**In-app purchases:** none


## Frequently asked questions

### Is SekurMail free?

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

### Is Atlos free?

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

### Do SekurMail or Atlos have ads?

Neither SekurMail nor Atlos shows ads.

### Which is updated more often, SekurMail or Atlos?

SekurMail ships an update fortnightly, and Atlos every 3 days. Most recently, SekurMail was updated on October 11, 2026 and Atlos on October 28, 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.*