# PZ vs S7 PLC HMI

The clearest difference is in-app purchases: PZ at none against S7 PLC HMI's 1. PZ also leads on iOS requirement (9.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. S7 PLC HMI sells 1 one-off in-app purchase. PZ asks for nothing beyond the download.

## The numbers

| Metric | PZ | S7 PLC HMI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 2 MB | 15 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [huizhou shangshui technology co.,ltd](https://appshunter.io/developer/1762340195) | [JIRI NOVOTNY](https://appshunter.io/developer/6801989591) |

## What reviewers say

### PZ

[App page](https://appshunter.io/ios/app/pz-c31/id6736722246)

**Features:** macOS Compatibility

**In-app purchases:** none


### S7 PLC HMI

[App page](https://appshunter.io/ios/app/s7-plc-hmi/id6801989589)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $5.99 | one-time |


## Frequently asked questions

### Is PZ free?

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

### Is S7 PLC HMI free?

S7 PLC HMI is free to download, with in-app purchases available.

### Do PZ or S7 PLC HMI have ads?

Neither PZ nor S7 PLC HMI shows ads.

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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.*