SekurMail vs Atlos
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SekurMail
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.
- 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
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SekurMail combines Swiss privacy and security with its end-to-end proprietary secure email service hosted only in Switzerland and without any data mining. With SekurMail you can: • Send and receive private and secure emails using our proprietary features and technology • Send emails with SekurSend to Sekur and non-Sekur users worldwide with password protection, maximum number of reads, and expiration date on all emails. • Attach up to 5 GB using the SekurSend feature. • Monitor your email views at all times when you send emails to other Sekur users • Create calendar invites and send them securely • Receive new email notifications • Optimized for both iPhone and iPad
Atlos
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Atlos is the iOS companion app for your Atlos eMail account. Read, write, search, and organize your email from your iPhone. Features - Inbox with unread counts, swipe to archive, swipe to delete, and star - Compose with To, CC, BCC, subject, and body - Send from any of your aliases or sender identities - Per-message send tracking — see when recipients open your email and click the links inside - Full-text search across your mailbox - Folder navigation: Inbox, Archive, Trash, and your custom folders - Push notifications for new mail - Light, Dark, and system theme - Sign out and in-app account deletion Privacy Atlos does not display ads or share your data with advertisers. We collect only what is needed to deliver your email service. Read the iOS-specific privacy policy at https://atlos.email/app-privacy. Support Visit https://atlos.email/help or email support@atlos.email.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SekurMail | Atlos |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (19 ratings) — better | — |
| Positive reviews | 21.4% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.5 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | GlobeX Data S.A. | NN Software ApS |
In-app purchases
SekurMail
No in-app purchases
Atlos
No in-app purchases









