# RXO Chat

> Connect Ruby Calculator hardware to iOS devices for messaging and note transfer. (iPhone/iPad app by Ruby Devices Pty Ltd.)

- Source: https://appshunter.io/ios/app/rxo-chat/id1120994577 (this page in markdown: same URL + `.md`)
- Developer: [Ruby Devices Pty Ltd](https://appshunter.io/developer/1017168794)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.70/5 from 7 App Store ratings · 6 written reviews indexed
- Age rating: 17+
- Requires: iOS 15.6 · 2 MB
- Languages: American English
- Released: 2016-06-05
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/rxo-chat/id1120994577/reviews.md

## What is RXO Chat?

RXO Chat allows users of the Ruby Calculator to connect their hardware to an Apple iPhone or iPad.

Once connected, users will be able to exchange messages over a Bluetooth or Internet Connection.

Additionally, with Ruby Calculator Ultimate Edition the user will be able to transfer up to 300000 words of notes to the calculator for storage.

The app utilises Apples native Bluetooth Low Energy peripheral in conjunction with a BLE module on the Ruby Calculator to establish and maintain connectivity.

## Key features

- Connect Ruby Calculator hardware
- Message exchange via Bluetooth
- Message exchange via Internet
- Transfer notes for storage
- Utilizes Bluetooth Low Energy

## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/rxo-chat/id1120994577/reviews.md

### 1/5 — No vale para nada

*2025-11-14, version 2.0.18*

Dice mucho y te gastas un dineral y resulta que para usarla se salta la app  al final no sirve para nada

### 5/5 — You are hero bro

*2023-06-10*

Thanks

### 4/5 — Strange bug

*2022-12-06*

File transfer doesn’t seem to work in dark mode, really strange

### 4/5 — A1

*2019-12-16*

Very clutch. Could use an update it’s been a while but I can’t complain. This thing is a god send. Thank you Ruby Calculators!!!

### 5/5 — Corregir

*2019-01-16, version 2.0.14*

Could you correct : file transfer fail

### 5/5 — The best invention for school

*2017-12-13*

Thanks for the new update just in time for finals

## Frequently asked questions about RXO Chat

### What is RXO Chat?

RXO Chat is a utility app that allows users to connect their Ruby Calculator hardware to an Apple iPhone or iPad. It facilitates message exchange over Bluetooth or the internet and enables note transfer for storage.

### Does RXO Chat have ads?

No, RXO Chat does not contain advertisements. The app is free to download and use without any ad interruptions.

### What devices does RXO Chat support?

RXO Chat is compatible with iPhone, iPad, and iPod devices. It requires iOS 17+ for the latest version.

### How often is RXO Chat updated?

The latest version of RXO Chat is 2.0.18, last updated on November 14, 2025. Updates are released periodically to improve functionality and compatibility.

### What is the age rating for RXO Chat?

RXO Chat has an age rating of 17+. This is due to the nature of communication features and potential content that may be exchanged.

### Can I transfer notes to my calculator with RXO Chat?

Yes, with the Ruby Calculator Ultimate Edition, RXO Chat allows you to transfer up to 300,000 words of notes to the calculator for storage.

### What is the user sentiment for RXO Chat?

RXO Chat has a high user rating of 4.7 stars from 7 ratings, indicating positive user sentiment towards its functionality and reliability.

### How does RXO Chat connect to the Ruby Calculator?

The app utilizes Apple's native Bluetooth Low Energy peripheral in conjunction with a BLE module on the Ruby Calculator to establish and maintain connectivity.

## Version history (last 5 releases)

### 2.0.18 — 2025-11-14

Lifecycle release for new iOS versions

### 2.0.17 — 2022-04-19

Minor bug fixes

### 2.0.16 — 2020-03-16

Minor bug fix.

### 2.0.15 — 2019-01-19

Updated UTF-8 character support

### 2.0.14 — 2018-01-06

Minor Bug Fix

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## Related topics

[rxo chat](https://appshunter.io/ios/topics/rxo-chat)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*