# Air System Modeling vs RPS Connect

The clearest difference is iOS requirement: Air System Modeling at 7.0 against RPS Connect's 13.0. 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.

## The numbers

| Metric | Air System Modeling | RPS Connect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 219 MB | 208 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ingersoll Rand](https://appshunter.io/developer/482314546) | [ROSIWIT TECHNOLOGY CO](https://appshunter.io/developer/1696934438) |

## What reviewers say

### Air System Modeling

[App page](https://appshunter.io/ios/app/air-system-modeling/id1081934192)

**Features:** macOS Compatibility

**In-app purchases:** none


### RPS Connect

[App page](https://appshunter.io/ios/app/rps-connect/id6761174301)

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

**In-app purchases:** none


## Frequently asked questions

### Is Air System Modeling free?

Air System Modeling is free to download, with no in-app purchases.

### Is RPS Connect free?

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

### Do Air System Modeling or RPS Connect have ads?

Neither Air System Modeling nor RPS Connect shows ads.

---

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