# Audiologist vs Zelmux

The clearest difference is update cadence: Zelmux at every 3 weeks against Audiologist's every 3 months. Audiologist's advantage is iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Audiologist ships an update every 3 months, Zelmux every 3 weeks. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Audiologist | Zelmux |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 10 MB | 6 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [欧仕达听力科技(厦门)有限公司](https://appshunter.io/developer/1405345564) | [Yang Zhang](https://appshunter.io/developer/1005259025) |

## What reviewers say

### Audiologist

[App page](https://appshunter.io/ios/app/audiologist/id1405345565)

**In-app purchases:** none


### Zelmux

[App page](https://appshunter.io/ios/app/zelmux/id6768126927)

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

**In-app purchases:** none


## Frequently asked questions

### Is Audiologist free?

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

### Is Zelmux free?

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

### Do Audiologist or Zelmux have ads?

Neither Audiologist nor Zelmux shows ads.

### Which is updated more often, Audiologist or Zelmux?

Audiologist ships an update every 3 months, and Zelmux every 3 weeks. Most recently, Audiologist was updated on October 10, 2026 and Zelmux on October 8, 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.*