# RXO Chat vs Air

The clearest difference is iOS requirement: RXO Chat at 15.6 against Air's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | RXO Chat | Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/rxo-chat/id1120994577/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 2 MB | 32 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ruby Devices Pty Ltd](https://appshunter.io/developer/1017168794) | [LIVESENSE PTY LTD](https://appshunter.io/developer/1110714622) |

## 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


### Air

[App page](https://appshunter.io/ios/app/air-met/id1277130562)

**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 Air free?

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

### Do RXO Chat or Air have ads?

Neither RXO Chat nor Air shows ads.

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

RXO Chat ships an update every 2 months, and Air every 2 months. Most recently, RXO Chat was updated on November 2, 2026 and Air on November 3, 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.*