# e.syOne vs BundesMessengerX

The clearest difference is iOS requirement: e.syOne at 11.0 against BundesMessengerX's 18.3.1. On price, review sentiment, update cadence and ads there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | e.syOne | BundesMessengerX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 50 MB | 314 MB |
| Requires iOS | **11.0** | 18.3.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [e.Consult AG](https://appshunter.io/developer/371071506) | [BWI GmbH](https://appshunter.io/developer/1518548152) |

## What reviewers say

### e.syOne

[App page](https://appshunter.io/ios/app/esyone/id1503666489)

Access legal documents and information securely from your lawyer. Create, reply to, and attach files to messages. This TÜV-certified cloud solution ensures data security with a German-based server.

**Highlights:** Secure document access, Message creation and replies, Attachment support (photos), TÜV-certified cloud solution, Data security, German server location

**Features:** macOS Compatibility

**In-app purchases:** none


### BundesMessengerX

[App page](https://appshunter.io/ios/app/bundesmessengerx/id6738500048)

A secure and reliable messaging solution designed for German government agencies. It offers end-to-end encryption, user-friendly design, and optimized features for productive daily use in public administration.

**Highlights:** End-to-end encryption, Secure text, image, file, and voice message sharing, User-friendly and intuitive design, Optimized for public administration, Ad-free communication

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

**In-app purchases:** none


## Frequently asked questions

### Is e.syOne free?

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

### Is BundesMessengerX free?

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

### Do e.syOne or BundesMessengerX have ads?

Neither e.syOne nor BundesMessengerX shows ads.

### Which is updated more often, e.syOne or BundesMessengerX?

e.syOne ships an update every 2 months, and BundesMessengerX every 2 months. Most recently, e.syOne was updated on October 22, 2026 and BundesMessengerX on October 14, 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.*