# RxOrange vs Mosby's Drug Reference

The clearest difference is review sentiment: RxOrange at 88% against Mosby's Drug Reference's 32%. RxOrange also leads on in-app purchases (none vs 1) and rating (5.0 vs 4.6). Mosby's Drug Reference's advantage is price (Free vs $4.99) and ratings volume (235 vs 6). On ads there is nothing between them.

Mosby's Drug Reference is free to download; RxOrange costs $4.99 up front. Mosby's Drug Reference sells 1 in-app purchase, starting at $45.99 per year. RxOrange asks for nothing beyond the download.

RxOrange holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Mosby's Drug Reference has 235 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 88% of RxOrange's written reviews are positive against 32% of Mosby's Drug Reference's.

RxOrange ships an update every 2 months, Mosby's Drug Reference every 9 months. The most recent releases landed on September 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | RxOrange | Mosby's Drug Reference |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/rxorange/id455874929/reviews)** | [4.6 (235 ratings)](https://appshunter.io/ios/app/mosbys-drug-reference/id959042883/reviews) |
| Number of ratings | 6 | **235** |
| Positive reviews | **87.5% of reviews** | 31.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#197** | — |
| Size | 43 MB | 9 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [Dabbling Badger LLC](https://appshunter.io/developer/455874932) | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) |

## What reviewers say

### RxOrange

[App page](https://appshunter.io/ios/app/rxorange/id455874929)

**Currently charting:** #197 Top Paid · Medical (US App Store)

Access comprehensive FDA Orange Book data offline to predict generic drug expiration dates and identify therapeutically equivalent substitutes. Stay updated on newly approved products with intuitive color-coded TE codes for quick interpretation.

**Highlights:** Offline FDA Orange Book access, Predict generic drug expiration dates, Identify therapeutically equivalent generics, Color-coded TE codes for easy interpretation, Track newly approved drug products, Intuitive and fast user interface

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

**In-app purchases:** none


### Mosby's Drug Reference

[App page](https://appshunter.io/ios/app/mosbys-drug-reference/id959042883)

This app provides healthcare professionals with comprehensive drug information, including actions, usage, dosage, interactions, and side effects. It emphasizes patient safety with Black Box Warnings, Safety Alerts, and information on life-threatening side effects. Features include custom notes, highlights, and quick search functionality.

**Highlights:** Over 5,000 drug listings, Black Box Warnings and Safety Alerts, Drug action, usage, dosage, interactions, side effects, Custom notes and highlights, Full text search, Appendix of recent FDA-approvals

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mosby's Drug Reference | $45.99 | per year |


## Frequently asked questions

### Is RxOrange free?

RxOrange costs $4.99, with no in-app purchases.

### Is Mosby's Drug Reference free?

Mosby's Drug Reference is free to download, with in-app purchases available.

### Which has better reviews, RxOrange or Mosby's Drug Reference?

RxOrange is rated higher. RxOrange averages 5.0 out of 5 from 6 ratings, while Mosby's Drug Reference averages 4.6 from 235 ratings.

### Do RxOrange or Mosby's Drug Reference have ads?

Neither RxOrange nor Mosby's Drug Reference shows ads.

### Which is updated more often, RxOrange or Mosby's Drug Reference?

RxOrange ships an update every 2 months, and Mosby's Drug Reference every 9 months. Most recently, RxOrange was updated on September 11, 2026 and Mosby's Drug Reference on September 24, 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.*