# Unified vs S7 PLC HMI

The clearest difference is in-app purchases: Unified at none against S7 PLC HMI's 1. Unified also leads on iOS requirement (13.0 vs 17.0). S7 PLC HMI's advantage is update cadence (every 5 days vs every 4 weeks). 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. Unified asks for nothing beyond the download.

Unified ships an update every 4 weeks, S7 PLC HMI every 5 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | Unified | S7 PLC HMI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Size | 189 MB | 15 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Unified-E AG](https://appshunter.io/developer/1084656252) | [JIRI NOVOTNY](https://appshunter.io/developer/6801989591) |

## What reviewers say

### Unified

[App page](https://appshunter.io/ios/app/unified-e/id1084656253)

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

**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 Unified free?

Unified 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 Unified or S7 PLC HMI have ads?

Neither Unified nor S7 PLC HMI shows ads.

### Which is updated more often, Unified or S7 PLC HMI?

Unified ships an update every 4 weeks, and S7 PLC HMI every 5 days. Most recently, Unified was updated on October 29, 2026 and S7 PLC HMI on October 29, 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.*