# Hussmann Controls vs MRLDS 400

Hussmann Controls and MRLDS 400 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

Hussmann Controls ships an update every 9 months, MRLDS 400 every 5 months. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Hussmann Controls | MRLDS 400 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 months** |
| Size | 39 MB | 8 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hussmann Corporation](https://appshunter.io/developer/1305933190) | [Copeland LP](https://appshunter.io/developer/464252882) |

## 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


### MRLDS 400

[App page](https://appshunter.io/ios/app/mrlds-400/id1502566407)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hussmann Controls free?

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

### Is MRLDS 400 free?

MRLDS 400 is free to download, with no in-app purchases.

### Do Hussmann Controls or MRLDS 400 have ads?

Neither Hussmann Controls nor MRLDS 400 shows ads.

### Which is updated more often, Hussmann Controls or MRLDS 400?

Hussmann Controls ships an update every 9 months, and MRLDS 400 every 5 months. Most recently, Hussmann Controls was updated on October 3, 2026 and MRLDS 400 on September 28, 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.*