# Red Diamond vs RDZ CoRe

The clearest difference is update cadence: RDZ CoRe at every 13 months against Red Diamond's every 49 months. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Red Diamond ships an update every 49 months, RDZ CoRe every 13 months. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Red Diamond | RDZ CoRe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/red-diamond/id1615541316/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 13 months** |
| Monetization | Free | Free |
| Size | 24 MB | 54 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [riccardo giordano](https://appshunter.io/developer/1526446834) | [RDZ S.p.A](https://appshunter.io/developer/1698693105) |

## What reviewers say

### Red Diamond

[App page](https://appshunter.io/ios/app/red-diamond/id1615541316)

Book salon appointments 24/7 with your preferred stylist. View available treatments and salon hours. Receive exclusive promotions via push notifications.

**Highlights:** View treatment details, Book appointments 24/7, Select preferred operator, Check salon opening hours, Receive push notifications for promotions

**Features:** macOS Compatibility

**In-app purchases:** none


### RDZ CoRe

[App page](https://appshunter.io/ios/app/rdz-core/id6452012938)

Control your home's heating, cooling, and air renewal system remotely. Adjust temperature, manage unit operations, and optimize consumption from your smartphone or tablet. Integrates with voice assistants for hands-free control.

**Highlights:** Remote climate system control, View system operation, Adjust parameters easily, Voice command integration (Alexa, Google Home), Room-by-room climate management, Schedule operation by time slots

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Red Diamond free?

Red Diamond is free to download, with no in-app purchases.

### Is RDZ CoRe free?

RDZ CoRe is free to download, with no in-app purchases.

### Do Red Diamond or RDZ CoRe have ads?

Neither Red Diamond nor RDZ CoRe shows ads.

### Which is updated more often, Red Diamond or RDZ CoRe?

Red Diamond ships an update every 49 months, and RDZ CoRe every 13 months. Most recently, Red Diamond was updated on October 9, 2026 and RDZ CoRe on October 10, 2026.

---

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