# RED control vs ColdRoomCalc

The clearest difference is in-app purchases: RED control at none against ColdRoomCalc's 1. RED control also leads on iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. ColdRoomCalc sells 1 in-app purchase, starting at $3.99 per month. RED control asks for nothing beyond the download.

## The numbers

| Metric | RED control | ColdRoomCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 32 MB | 37 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAREL INDUSTRIES S.p.A.](https://appshunter.io/developer/1797037609) | [Samet Nail Coban](https://appshunter.io/developer/6780620147) |

## What reviewers say

### RED control

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ColdRoomCalc

[App page](https://appshunter.io/ios/app/coldroomcalc/id6793232439)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ColdRoom Calc Pro | $3.99 | per month |


## Frequently asked questions

### Is RED control free?

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

### Is ColdRoomCalc free?

ColdRoomCalc is free to download, with in-app purchases available.

### Do RED control or ColdRoomCalc have ads?

Neither RED control nor ColdRoomCalc 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.*