# RXO Chat vs Wrist PDF

The clearest difference is review sentiment: RXO Chat at 83% against Wrist PDF's 0%. RXO Chat also leads on rating (4.5 vs 3.0) and in-app purchases (none vs 3). Wrist PDF's advantage is update cadence (every 11 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Wrist PDF sells 3 in-app purchases, starting at $3.99 per 7 days. RXO Chat asks for nothing beyond the download.

RXO Chat holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 83% of RXO Chat's written reviews are positive against 0% of Wrist PDF's.

RXO Chat ships an update every 2 months, Wrist PDF every 11 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | RXO Chat | Wrist PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/rxo-chat/id1120994577/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/wrist-pdf-pdf-reader-and-viewer/id6756314530/reviews) |
| Number of ratings | **8** | 2 |
| Positive reviews | **83.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | **Free** | Subscription |
| Size | 2 MB | 52 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Ruby Devices Pty Ltd](https://appshunter.io/developer/1017168794) | [Mr Siddharth](https://appshunter.io/developer/1859651378) |

## 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


### Wrist PDF

[App page](https://appshunter.io/ios/app/wrist-pdf-pdf-reader-and-viewer/id6756314530)

Access and read PDF files, documents, and notes directly from your smartwatch. Enjoy fast loading, smooth navigation, and a clean interface for on-the-go document management. Seamlessly integrates with your paired phone for quick access to essential information.

**Highlights:** View PDFs on smartwatch, Fast PDF loading, Smooth page navigation, Supports documents and notes, Clean, wrist-friendly interface, Works with paired phone

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $3.99 | per 7 days |
| Monthly plan | $9.99 | per month |
| Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is RXO Chat free?

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

### Is Wrist PDF free?

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

### Which has better reviews, RXO Chat or Wrist PDF?

RXO Chat is rated higher. RXO Chat averages 4.5 out of 5 from 8 ratings, while Wrist PDF averages 3.0 from 2 ratings.

### Do RXO Chat or Wrist PDF have ads?

Neither RXO Chat nor Wrist PDF shows ads.

### Which is updated more often, RXO Chat or Wrist PDF?

RXO Chat ships an update every 2 months, and Wrist PDF every 11 days. Most recently, RXO Chat was updated on November 2, 2026 and Wrist PDF on November 5, 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.*