# ZPA App vs Mucke

ZPA App and Mucke are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. ZPA App sells 42 one-off in-app purchases and Mucke sells 11 in-app purchases, starting at $34.99 per year. Whichever you choose, the download price is not the number that matters.

ZPA App ships an update every 23 months, Mucke every 25 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | ZPA App | Mucke |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 23 months** | Every 25 months |
| Monetization | Subscription | — |
| Size | 161 MB | 111 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) | [DVO Druck und Verlag Obermayer GmbH](https://appshunter.io/developer/1290161513) |

## 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 |


### Mucke

[App page](https://appshunter.io/ios/app/mucke/id1309568263)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mucke Abo 12 Monate | $34.99 | per year |
| Mucke 2/2022 | $3.99 | one-time |
| Mucke 6/2022 | $3.99 | one-time |
| Mucke 4/2022 | $3.99 | one-time |
| Mucke 5/2022 | $3.99 | one-time |
| Mucke 1/2023 | $5.99 | one-time |
| Mucke 5/2023 | $5.99 | one-time |
| Mucke 6/2023 | $5.99 | one-time |
| Mucke 4/2023 | $5.99 | one-time |
| Mucke 2/2023 | $5.99 | one-time |
| Mucke 3/2023 | $5.99 | one-time |


## Frequently asked questions

### Is ZPA App free?

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

### Is Mucke free?

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

### Do ZPA App or Mucke have ads?

Neither ZPA App nor Mucke shows ads.

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

ZPA App ships an update every 23 months, and Mucke every 25 months. Most recently, ZPA App was updated on October 29, 2026 and Mucke on October 26, 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.*