# Viewer by SEPPmail vs astendo checkInApp

Viewer by SEPPmail and astendo checkInApp are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Viewer by SEPPmail | astendo checkInApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/viewer-by-seppmail/id6446402452/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | — |
| Monetization | Free | — |
| Size | 19 MB | 22 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [SEPPmail AG](https://appshunter.io/developer/586785754) | [astendo GmbH](https://appshunter.io/developer/1464653730) |

## What reviewers say

### 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


### astendo checkInApp

[App page](https://appshunter.io/ios/app/astendo-checkinapp/id6743544408)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Viewer by SEPPmail free?

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

### Is astendo checkInApp free?

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

### Do Viewer by SEPPmail or astendo checkInApp have ads?

Neither Viewer by SEPPmail nor astendo checkInApp shows ads.

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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.*