# Z1 SecureMail Viewer — Decrypt Z1 SecureMail messages > Decrypts encrypted Z1 SecureMail messages sent as HTML attachments. (iPhone/iPad app by Zertificon Solutions GmbH.) - Source: https://appshunter.io/ios/app/z1-securemail-viewer/id1492071307 (this page in markdown: same URL + `.md`) - Developer: [Zertificon Solutions GmbH](https://appshunter.io/developer/922440247) - Category: Productivity, Utilities - Price: Free - Rating: 1.00/5 from 3 App Store ratings - Age rating: 4+ - Requires: iOS 13.2 · 4 MB - Languages: English, German - Released: 2020-02-10 - Data updated: 2026-08-08 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/z1-securemail-viewer/id1492071307/reviews.md ## What is Z1 SecureMail Viewer? Z1 SecureMail messages are sent by enterprises with Zertificons Z1 SecureMail Gateway solution. Confidential emails are sent as encrypted HTML attachments. How to open a Z1 SecureMail HTML attachment: 1. Activate sharing with long touch on the HTML attachment. 2. Share the attachment with the Z1 SecureMail Viewer App. 3. The app will start. Enter your password to decrypt the content of your HTML-message. The sending of encrypted emails as Z1 SecureMail HTML attachment is a very user-friendly solution. It brings cryptographic security without the hassle of complex PKI technology which would need keys and certificates. Zertificons products enable businesses and organizations to easily communicate with any email address confidentially and in accordance with compliance regulations. ## Key features - Decrypts Z1 SecureMail messages - Opens encrypted HTML attachments - User-friendly interface - No complex PKI technology required - Ensures confidential communication ## Frequently asked questions about Z1 SecureMail Viewer ### How do I open an encrypted Z1 SecureMail message with Z1 SecureMail Viewer? To open an encrypted Z1 SecureMail message, long-touch the HTML attachment to activate sharing, then share it with the Z1 SecureMail Viewer app. You will then enter your password to decrypt the message content. ### Does Z1 SecureMail Viewer require complex cryptographic knowledge? No, Z1 SecureMail Viewer is designed to be user-friendly. It brings cryptographic security without the hassle of complex PKI technology, meaning you don't need to manage keys and certificates. ### What devices does Z1 SecureMail Viewer support? Z1 SecureMail Viewer is available for iPhone, iPad, and iPod devices, making it accessible on a range of Apple mobile products. ### Is Z1 SecureMail Viewer free to use? Yes, Z1 SecureMail Viewer is available for free. There are no in-app purchases or subscriptions required to use its core functionality. ### How often is Z1 SecureMail Viewer updated? The latest version of Z1 SecureMail Viewer is 1.2.3, which was last updated on June 27, 2022. This indicates it receives periodic updates to maintain functionality and compatibility. ### What is the age rating for Z1 SecureMail Viewer? Z1 SecureMail Viewer has an age rating of 4+. This suggests it is suitable for a wide audience and does not contain content inappropriate for younger users. ### What is the user sentiment for Z1 SecureMail Viewer? Based on the available data, Z1 SecureMail Viewer has a rating of 1.0 stars from 3 ratings. This indicates a very low user satisfaction, suggesting potential issues with functionality or user experience. ### Does Z1 SecureMail Viewer have ads? No, Z1 SecureMail Viewer does not contain advertisements. The app is free and does not display any ads, providing an uninterrupted user experience. ## Version history (last 5 releases) ### 1.2.3 — 2022-06-27 - Fixed an issue where app was crashing when trying to add photo/video as an attachment when replying to a message ### 1.2.2 — 2020-12-02 - Addressed an issue where it was sometimes not possible to disable screen lock ### 1.2.1 — 2020-11-18 - Fallback to passcode when FaceID authentication fails ### 1.2 — 2020-10-07 - Face ID / Touch ID support for screen lock - Fix: Attachments cannot be opened with iOS 14 ### 1.1 — 2020-09-02 - Password autocomplete function (optionally configurable) ## Apps similar to Z1 SecureMail Viewer | App | Rating | Price | Category | | --- | --- | --- | --- | | [Dettelbach und Ortsteile](https://appshunter.io/ios/app/dettelbach-und-ortsteile/id6449454976) | — | Free | Productivity | | [ZoneCloud](https://appshunter.io/ios/app/zonecloud/id839998755) | — | Free | Productivity | | [Baudoku smart&easy LIVE](https://appshunter.io/ios/app/baudoku-smart-and-easy-live/id1624856427) | — | Free | Productivity | | [Viadesk](https://appshunter.io/ios/app/viadesk/id455647635) | — | Free | Productivity | | [mybrunner](https://appshunter.io/ios/app/mybrunner/id1150440071) | 1.0 (1) | Free | Productivity | | [HIN Authenticator](https://appshunter.io/ios/app/hin-authenticator/id1535944002) | — | Free | Productivity | ## More apps by Zertificon Solutions GmbH - [Z1 MyCrypt](https://appshunter.io/ios/app/z1-mycrypt/id922440248) All apps by Zertificon Solutions GmbH: https://appshunter.io/developer/922440247 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-08.*