# RXO Chat vs DDadmin

The clearest difference is update cadence: RXO Chat at every 2 months against DDadmin's every 3 months. DDadmin's advantage is iOS requirement (12.0 vs 15.6). 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.

RXO Chat ships an update every 2 months, DDadmin every 3 months. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | RXO Chat | DDadmin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/rxo-chat/id1120994577/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 2 MB | 87 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ruby Devices Pty Ltd](https://appshunter.io/developer/1017168794) | [Langtao Digital Co., Ltd.](https://appshunter.io/developer/1465690696) |

## What reviewers say

### RXO Chat

[App page](https://appshunter.io/ios/app/rxo-chat/id1120994577)

Connect your Ruby Calculator hardware to an iPhone or iPad. Exchange messages via Bluetooth or internet, and transfer notes for storage with the Ultimate Edition. Utilizes Apple's native Bluetooth Low Energy for seamless connectivity.

**Highlights:** Connect Ruby Calculator hardware, Message exchange via Bluetooth, Message exchange via Internet, Transfer notes for storage, Utilizes Bluetooth Low Energy

**Features:** macOS Compatibility

**In-app purchases:** none


### DDadmin

[App page](https://appshunter.io/ios/app/ddadmin/id6451483027)

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

**In-app purchases:** none


## Frequently asked questions

### Is RXO Chat free?

RXO Chat is free to download, with no in-app purchases.

### Is DDadmin free?

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

### Do RXO Chat or DDadmin have ads?

Neither RXO Chat nor DDadmin shows ads.

### Which is updated more often, RXO Chat or DDadmin?

RXO Chat ships an update every 2 months, and DDadmin every 3 months. Most recently, RXO Chat was updated on October 7, 2026 and DDadmin on September 29, 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.*