# ZPA App vs blasmusik

The clearest difference is monetization model: blasmusik at free against ZPA App's subscription. blasmusik also leads on update cadence (every 8 months vs every 23 months). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. ZPA App sells 42 one-off in-app purchases and blasmusik sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ZPA App ships an update every 23 months, blasmusik every 8 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | ZPA App | blasmusik |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 8 months** |
| Monetization | Subscription | **Free** |
| Size | 161 MB | 162 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Dr. R. Kaden Verlag GmbH & Co. KG](https://appshunter.io/developer/787059978) | [Golden Wind GmbH](https://appshunter.io/developer/1440781773) |

## What reviewers say

### ZPA App

[App page](https://appshunter.io/ios/app/zpa-app/id1273131865)

This app provides ophthalmologists with a leading continuing education journal. It features comprehensive reviews on current diagnostic and therapeutic topics, CME credits, congress reports, and international literature summaries. Published 11 times annually, it keeps eye care professionals updated.

**Highlights:** Comprehensive review articles, CME continuing education credits, Congress reports, International literature summaries, News from ophthalmology, Digital journal access

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

**In-app purchases (42)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZPA 1/2023 | $9.99 | one-time |
| ZPA 2/2023 | $9.99 | one-time |
| ZPA 3/2023 | $9.99 | one-time |
| ZPA 4/2023 | $9.99 | one-time |
| ZPA 5/2023 | $9.99 | one-time |
| ZPA 6/2023 | $9.99 | one-time |
| ZPA 7+8/2023 | $9.99 | one-time |
| ZPA 9/2023 | $9.99 | one-time |
| ZPA 10/2023 | $9.99 | one-time |
| ZPA 11/2023 | $9.99 | one-time |
| ZPA 12/2023 | $9.99 | one-time |
| ZPA 1/2024 | $9.99 | one-time |
| ZPA 2/2024 | $9.99 | one-time |
| ZPA 3/2024 | $9.99 | one-time |
| ZPA 4/2024 | $9.99 | one-time |
| ZPA 5/2024 | $9.99 | one-time |
| ZPA 7+8/2026 | $9.99 | one-time |
| ZPA 9/2026 | $9.99 | one-time |
| ZPA 10/2026 | $9.99 | one-time |
| ZPA 4/2026 | $9.99 | one-time |
| ZPA 5/2026 | $9.99 | one-time |
| ZPA 6/2026 | $9.99 | one-time |
| ZPA 1/2026 | $9.99 | one-time |
| ZPA 2/2026 | $9.99 | one-time |
| ZPA 3/2026 | $9.99 | one-time |
| ZPA 11/2025 | $9.99 | one-time |
| ZPA 12/2025 | $9.99 | one-time |
| ZPA 10/2025 | $9.99 | one-time |
| ZPA 9/2025 | $9.99 | one-time |
| ZPA 7+8/2025 | $9.99 | one-time |
| ZPA 6/2025 | $9.99 | one-time |
| ZPA 5/2025 | $9.99 | one-time |
| ZPA 4/2025 | $9.99 | one-time |
| ZPA 3/2025 | $9.99 | one-time |
| ZPA 2/2025 | $9.99 | one-time |
| ZPA 1/2025 | $9.99 | one-time |
| ZPA 12/2024 | $9.99 | one-time |
| ZPA 11/2024 | $9.99 | one-time |
| ZPA 10/2024 | $9.99 | one-time |
| ZPA 9/2024 | $9.99 | one-time |
| ZPA 7+8/2024 | $9.99 | one-time |
| ZPA 6/2024 | $9.99 | one-time |


### blasmusik

[App page](https://appshunter.io/ios/app/blasmusik/id1440781774)

Access the official publication of the BDB (Federation of German Wind Music Associations) on your mobile device. Read articles, event listings, and job postings, with features like search, bookmarks, and multimedia content.

**Highlights:** Searchable articles and topics, Direct links to external websites, Bookmark favorite content, Multimedia content integration, Push notifications for new issues, Text-to-speech functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| blasmusik /2019 | $2.99 | one-time |


## Frequently asked questions

### Is ZPA App free?

ZPA App is free to download, with in-app purchases available.

### Is blasmusik free?

blasmusik is free to download, with in-app purchases available.

### Do ZPA App or blasmusik have ads?

Neither ZPA App nor blasmusik shows ads.

### Which is updated more often, ZPA App or blasmusik?

ZPA App ships an update every 23 months, and blasmusik every 8 months. Most recently, ZPA App was updated on October 24, 2026 and blasmusik on October 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.*