# SIMATIC Unified Air vs PeerGuide.

SIMATIC Unified Air and PeerGuide. are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | SIMATIC Unified Air | PeerGuide. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Size | 52 MB | 59 MB |
| Requires iOS | 14.0 | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siemens AG](https://appshunter.io/developer/394503271) | [Kai I LAM](https://appshunter.io/developer/1831321940) |

## What reviewers say

### SIMATIC Unified Air

[App page](https://appshunter.io/ios/app/simatic-unified-air/id6476095253)

**In-app purchases:** none


### PeerGuide.

[App page](https://appshunter.io/ios/app/peerguide/id6749588294)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is SIMATIC Unified Air free?

SIMATIC Unified Air is free to download, with no in-app purchases.

### Is PeerGuide. free?

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

### Do SIMATIC Unified Air or PeerGuide. have ads?

Neither SIMATIC Unified Air nor PeerGuide. 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.*