# Davis's Drug Guide vs Drug Structures

The clearest difference is in-app purchases: Drug Structures at none against Davis's Drug Guide's 2. Davis's Drug Guide's advantage is update cadence (every 6 weeks vs every 14 months) and ratings volume (9.3K vs 3). On price, rating and ads there is nothing between them.

Both are free to download. Davis's Drug Guide sells 2 in-app purchases, starting at $39.99 per year. Drug Structures asks for nothing beyond the download.

Davis's Drug Guide holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Davis's Drug Guide has 9.3K ratings behind it against 3, so its average is the more settled of the two.

Davis's Drug Guide ships an update every 6 weeks, Drug Structures every 14 months. The most recent releases landed on November 9, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Davis's Drug Guide | Drug Structures |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9.3K ratings)](https://appshunter.io/ios/app/daviss-drug-guide-nurses/id301427093/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/drug-structures/id1207401347/reviews) |
| Number of ratings | **9.3K** | 3 |
| Positive reviews | 71.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 14 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#12** | — |
| Size | 16 MB | 3 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [David Bourne](https://appshunter.io/developer/1031086386) |

## What reviewers say

### Davis's Drug Guide

[App page](https://appshunter.io/ios/app/daviss-drug-guide-nurses/id301427093)

**Currently charting:** #12 Top Grossing · Medical (US App Store)

This comprehensive drug reference provides essential information for safe medication administration across all age groups. It includes detailed drug monographs, audio pronunciations, pill images, regular updates, and safety alerts. Access to an exclusive online portal offers additional features like dosing calculators and drug of the week notifications.

**Highlights:** 1,700+ drug monographs, Audio pronunciations, Pill images, Regular updates, Dosing calculators, Safety alerts, Canadian-specific content

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Davis’s Drug Guide for Nurses | $39.99 | per year |
| Davis's Drug Guide Subsription | $39.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Convenient mobile access
- 🚀 Helpful for nursing students and professionals
- 🚀 Reliable and trusted resource
- 👍 Comprehensive drug information

**What reviewers complain about**

- 🐛 Bugs and glitches
- 💰 Expensive subscription
- 🔍 Missing information on some drugs
- 🔒 Difficult to cancel subscription
- 🔍 Not up-to-date with new drugs

**Reported bugs**

- App crashes or freezes
- Login/access issues
- Compatibility problems with new devices/OS
- Incorrect or incomplete drug information

**Requested features**

- Dark mode option
- Ability to add custom drugs
- More calculators and tools
- Improved search functionality
- Better integration with other systems


### Drug Structures

[App page](https://appshunter.io/ios/app/drug-structures/id1207401347)

This game helps pharmacy and healthcare students practice identifying drug structures. It offers a focused learning experience for medical professionals in training.

**Highlights:** Identify drug structures, Practice for healthcare students, Targeted medical education, Free to play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Davis's Drug Guide free?

Davis's Drug Guide is free to download, with in-app purchases available.

### Is Drug Structures free?

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

### Which has better reviews, Davis's Drug Guide or Drug Structures?

Davis's Drug Guide is rated higher. Davis's Drug Guide averages 4.9 out of 5 from 9.3K ratings, while Drug Structures averages 4.7 from 3 ratings.

### Do Davis's Drug Guide or Drug Structures have ads?

Neither Davis's Drug Guide nor Drug Structures shows ads.

### Which is updated more often, Davis's Drug Guide or Drug Structures?

Davis's Drug Guide ships an update every 6 weeks, and Drug Structures every 14 months. Most recently, Davis's Drug Guide was updated on November 9, 2026 and Drug Structures on November 2, 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.*