# WebMD vs Mosby's Drug Reference

WebMD and Mosby's Drug Reference both sit at 4.7 stars, but that hides the real split: 70% of WebMD's written reviews are positive against 32% of Mosby's Drug Reference's. WebMD also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 9 months). Mosby's Drug Reference's advantage is ads (none vs shown). On price, rating, monetization model and device support there is nothing between them.

Both are free to download. Mosby's Drug Reference sells 1 in-app purchase, starting at $45.99 per year. WebMD asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for WebMD against 4.6 for Mosby's Drug Reference. That said, the two scores are not equally well evidenced: WebMD has 135K ratings behind it against 235, so its average is the more settled of the two. Written reviews are what separate them: 70% of WebMD's written reviews are positive against 32% of Mosby's Drug Reference's.

WebMD ships an update every 3 weeks, Mosby's Drug Reference every 9 months. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | WebMD | Mosby's Drug Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (135K ratings)](https://appshunter.io/ios/app/webmd-symptom-checker/id295076329/reviews)** | [4.6 (235 ratings)](https://appshunter.io/ios/app/mosbys-drug-reference/id959042883/reviews) |
| Number of ratings | **135K** | 235 |
| Positive reviews | **69.7% of reviews** | 31.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 156 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [WebMD](https://appshunter.io/developer/295076332) | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) |

## What reviewers say

### WebMD

[App page](https://appshunter.io/ios/app/webmd-symptom-checker/id295076329)

This app helps you check symptoms, get medication reminders, and find doctors. It also offers prescription savings and information on conditions and drugs.

**Highlights:** Symptom Checker, Medication Reminders, Prescription Savings, Doctor Directory, Condition Information, Drug Interaction Checker

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Useful medical information
- 🚀 Easy to navigate
- 💊 Helpful medication reminders
- 📚 Valuable medical resource
- 🧠 Informative health articles

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔍 Limited search functionality
- 💻 Outdated or missing information
- 🌙 Lack of dark mode
- 📢 Excessive ads

**Reported bugs**

- Medication reminders not working correctly
- Symptom checker providing inaccurate results
- App freezing or crashing on launch
- Notifications not clearing properly

**Requested features**

- Dark mode option
- Improved symptom checker
- Expanded medication database
- Better location-based features
- Customizable medication reminders


### 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 WebMD free?

WebMD is free to download, 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, WebMD or Mosby's Drug Reference?

WebMD is rated higher. WebMD averages 4.7 out of 5 from 135K ratings, while Mosby's Drug Reference averages 4.6 from 235 ratings.

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

WebMD shows ads; Mosby's Drug Reference does not.

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

WebMD ships an update every 3 weeks, and Mosby's Drug Reference every 9 months. Most recently, WebMD was updated on September 25, 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.*