# Horizont vs ChempZ

The clearest difference is update cadence: ChempZ at weekly against Horizont's monthly. 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.

Horizont ships an update monthly, ChempZ weekly. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Horizont | ChempZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 380 MB | 92 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Magyar Kerekparos Turisztikai Szovetseg](https://appshunter.io/developer/1627718458) | [Zsombor Sebok](https://appshunter.io/developer/1853884926) |

## What reviewers say

### Horizont

[App page](https://appshunter.io/ios/app/horizont/id6541753795)

**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 Horizont free?

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

### Is ChempZ free?

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

### Do Horizont or ChempZ have ads?

Neither Horizont nor ChempZ shows ads.

### Which is updated more often, Horizont or ChempZ?

Horizont ships an update monthly, and ChempZ weekly. Most recently, Horizont was updated on October 2, 2026 and ChempZ on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*