# BundesMessengerX vs BZSt IBAN+

The clearest difference is review sentiment: BundesMessengerX at 75% against BZSt IBAN+'s 44%. BZSt IBAN+'s advantage is iOS requirement (15.1 vs 18.3.1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

BundesMessengerX ships an update every 2 months, BZSt IBAN+ every 3 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | BundesMessengerX | BZSt IBAN+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **75.0% of reviews** | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 324 MB | 39 MB |
| Requires iOS | 18.3.1 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BWI GmbH](https://appshunter.io/developer/1518548152) | [Bundeszentralamt für Steuern](https://appshunter.io/developer/1829962335) |

## What reviewers say

### 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


### BZSt IBAN+

[App page](https://appshunter.io/ios/app/bzst-iban-plus/id6749314498)

Securely submit your IBAN to the Federal Central Tax Office (BZSt) for future payments. Manage your IBAN, check its status, and set a personal PIN for easy access. Requires a BundID account or ELSTER certificate.

**Highlights:** Submit IBAN for payments, Query stored IBAN, Delete stored IBAN, Track IBAN submission status, Set personal PIN for login

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

**In-app purchases:** none


## Frequently asked questions

### Is BundesMessengerX free?

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

### Is BZSt IBAN+ free?

BZSt IBAN+ is free to download, with no in-app purchases.

### Do BundesMessengerX or BZSt IBAN+ have ads?

Neither BundesMessengerX nor BZSt IBAN+ shows ads.

### Which is updated more often, BundesMessengerX or BZSt IBAN+?

BundesMessengerX ships an update every 2 months, and BZSt IBAN+ every 3 months. Most recently, BundesMessengerX was updated on November 8, 2026 and BZSt IBAN+ on November 5, 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.*