# MRLDS 400 vs RED control

MRLDS 400 and RED control 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.

MRLDS 400 ships an update every 5 months, RED control every 4 months. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | MRLDS 400 | RED control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Size | 8 MB | 32 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Copeland LP](https://appshunter.io/developer/464252882) | [CAREL INDUSTRIES S.p.A.](https://appshunter.io/developer/1797037609) |

## What reviewers say

### MRLDS 400

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

**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 MRLDS 400 free?

MRLDS 400 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 MRLDS 400 or RED control have ads?

Neither MRLDS 400 nor RED control shows ads.

### Which is updated more often, MRLDS 400 or RED control?

MRLDS 400 ships an update every 5 months, and RED control every 4 months. Most recently, MRLDS 400 was updated on September 25, 2026 and RED control on September 21, 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.*