# AUTHADA vs Viewer by SEPPmail

The clearest difference is review sentiment: AUTHADA at 76% against Viewer by SEPPmail's 0%. AUTHADA also leads on update cadence (every 2 months vs every 13 months). Viewer by SEPPmail's advantage is iOS requirement (12.4 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AUTHADA ships an update every 2 months, Viewer by SEPPmail every 13 months. The most recent releases landed on September 21, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | AUTHADA | Viewer by SEPPmail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/viewer-by-seppmail/id6446402452/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **76.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 15 MB | 19 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Authada GmbH](https://appshunter.io/developer/1314423801) | [SEPPmail AG](https://appshunter.io/developer/586785754) |

## What reviewers say

### AUTHADA

[App page](https://appshunter.io/ios/app/authada/id1479685801)

Securely identify yourself online using your German identity card or residence permit. The app guides you through the process of reading your ID and entering necessary codes for verification.

**Highlights:** Online identification with German ID card, Uses NFC for data reading, PIN and TAN entry for verification, PIN change and unlock functionality, Privacy-focused with BSI certification, Accessible design

**In-app purchases:** none


### Viewer by SEPPmail

[App page](https://appshunter.io/ios/app/viewer-by-seppmail/id6446402452)

This application allows you to receive, decrypt, and read secure emails with "secure-email.html" attachments. It is designed for users who have received encrypted messages sent via a SEPPmail Appliance.

**Highlights:** Receive encrypted emails, Decrypt secure attachments, Read secure email content, Supports SEPPmail Appliance encryption

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

**In-app purchases:** none


## Frequently asked questions

### Is AUTHADA free?

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

### Is Viewer by SEPPmail free?

Viewer by SEPPmail is free to download, with no in-app purchases.

### Do AUTHADA or Viewer by SEPPmail have ads?

Neither AUTHADA nor Viewer by SEPPmail shows ads.

### Which is updated more often, AUTHADA or Viewer by SEPPmail?

AUTHADA ships an update every 2 months, and Viewer by SEPPmail every 13 months. Most recently, AUTHADA was updated on September 21, 2026 and Viewer by SEPPmail on August 24, 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.*