# BalatonHelp VMSZ vs ChempZ

The clearest difference is update cadence: ChempZ at weekly against BalatonHelp VMSZ's every 10 months. ChempZ also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

BalatonHelp VMSZ ships an update every 10 months, ChempZ weekly. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | BalatonHelp VMSZ | ChempZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Size | 3 MB | 92 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Vizimentok Magyarorszagi Szakszolgalata es Onkentes Tuzolto Egyesulet](https://appshunter.io/developer/1804368552) | [Zsombor Sebok](https://appshunter.io/developer/1853884926) |

## What reviewers say

### BalatonHelp VMSZ

[App page](https://appshunter.io/ios/app/balatonhelp-vmsz/id757149529)

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

**In-app purchases:** none


### ChempZ

[App page](https://appshunter.io/ios/app/chempz/id6755436559)

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

**In-app purchases:** none


## Frequently asked questions

### Is BalatonHelp VMSZ free?

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

### Is ChempZ free?

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

### Do BalatonHelp VMSZ or ChempZ have ads?

Neither BalatonHelp VMSZ nor ChempZ shows ads.

### Which is updated more often, BalatonHelp VMSZ or ChempZ?

BalatonHelp VMSZ ships an update every 10 months, and ChempZ weekly. Most recently, BalatonHelp VMSZ was updated on October 14, 2026 and ChempZ on October 15, 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.*