# Hussmann Controls vs RED control

The clearest difference is update cadence: RED control at every 4 months against Hussmann Controls's every 10 months. RED control also leads on iOS requirement (13.0 vs 15.1). 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.

Hussmann Controls ships an update every 10 months, RED control every 4 months. The most recent releases landed on July 23, 2026 and April 15, 2026 respectively.

## The numbers

| Metric | Hussmann Controls | RED control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 months** |
| Size | 37 MB | 32 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hussmann Corporation](https://appshunter.io/developer/1305933190) | [CAREL INDUSTRIES S.p.A.](https://appshunter.io/developer/1797037609) |

## What reviewers say

### Hussmann Controls

[App page](https://appshunter.io/ios/app/hussmann-controls/id1501877672)

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

**In-app purchases:** none


### RED control

[App page](https://appshunter.io/ios/app/red-control/id6471656241)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hussmann Controls free?

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

### Is RED control free?

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

### Do Hussmann Controls or RED control have ads?

Neither Hussmann Controls nor RED control shows ads.

### Which is updated more often, Hussmann Controls or RED control?

Hussmann Controls ships an update every 10 months, and RED control every 4 months. Most recently, Hussmann Controls was updated on July 23, 2026 and RED control on April 15, 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.*