# Davis’s Drug Guide for Nurses vs Memory Rx

The clearest difference is rating: Davis’s Drug Guide for Nurses at 4.7 against Memory Rx's 1.0. Davis’s Drug Guide for Nurses also leads on ratings volume (732 vs 1) and chart position (#139 vs unranked). Memory Rx's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Davis’s Drug Guide for Nurses sells 5 in-app purchases, starting at $29.49 per year and Memory Rx sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Davis’s Drug Guide for Nurses holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Davis’s Drug Guide for Nurses has 732 ratings behind it against 1, so its average is the more settled of the two.

Davis’s Drug Guide for Nurses ships an update every 2 months, Memory Rx every 5 weeks. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Davis’s Drug Guide for Nurses | Memory Rx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (732 ratings)](https://appshunter.io/ios/app/daviss-drug-guide-for-nurses/id1076514675/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/memory-rx/id1627070152/reviews) |
| Number of ratings | **732** | 1 |
| Positive reviews | 45.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | **#139** | — |
| Size | 46 MB | 18 MB |
| Requires iOS | **13.0** | 15.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [Nishith Sekhar Revappala](https://appshunter.io/developer/1466617406) |

## What reviewers say

### Davis’s Drug Guide for Nurses

[App page](https://appshunter.io/ios/app/daviss-drug-guide-for-nurses/id1076514675)

**Currently charting:** #139 Top Grossing · Medical (US App Store)

This comprehensive drug reference provides nurses with essential information for safe medication administration across all patient age groups. It features extensive drug monographs, dosing calculation tools, audio pronunciations, and critical patient safety alerts.

**Highlights:** 5,000-drug database search, Audio pronunciations, Drug dosing calculation tools, High Alert Medication identification, Patient safety information, Drug interaction data

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| #1 Nursing Drug Guide 25%off | $29.49 | per year |
| #1 Nursing Drug Guide 20%off | $31.49 | per year |
| #1 Nursing Drug Guide | $32.99 | per year |
| #1 Nursing Drug Guide 15%off | $33.49 | per year |
| 18ed #1 Drug Guide for Nurses | $38.99 | per year |

**What reviewers like**

- 📚 Comprehensive drug information and detailed content
- 🔍 Easy search and navigation functionality
- 💊 Built-in drug dosage calculators (800+)
- 📱 Multi-platform availability (phone, tablet, computer)
- 🎨 Color images and visual aids included

**What reviewers complain about**

- 💰 High price point for the features offered
- 🔐 Requires account creation before trial
- 📖 Generic layout not optimized for learning
- 🔤 Text size too small and cannot be enlarged
- 📱 Poor iPad/tablet experience (no landscape mode)

**Reported bugs**

- Audio pronunciation feature not working
- Search bar auto-selection bug on Mac (selects first option mid-typing)
- App fails to open on laptop
- Update prompt loop preventing app usage
- Subscription lost after reinstalling app

**Requested features**

- Landscape view support for tablets
- Text size adjustment/zoom functionality
- Customizable display options
- Free preview/sample content before purchase
- Cross-device access with single purchase


### Memory Rx

[App page](https://appshunter.io/ios/app/memory-rx/id1627070152)

This app helps users remember pharmacology mnemonics through interactive quizzes. It combines memorization techniques with multiple-choice questions to reinforce learning, making a challenging subject more manageable.

**Highlights:** Pharmacology mnemonics, MCQ-based quizzes, Favouriting mnemonics, Access to all mnemonics, Access to all MCQs, Pro subscription features

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro access | $3.99 | per month |
| Pro access | $19.99 | per year |


## Frequently asked questions

### Is Davis’s Drug Guide for Nurses free?

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

### Is Memory Rx free?

Memory Rx is free to download, with in-app purchases available.

### Which has better reviews, Davis’s Drug Guide for Nurses or Memory Rx?

Davis’s Drug Guide for Nurses is rated higher. Davis’s Drug Guide for Nurses averages 4.7 out of 5 from 732 ratings, while Memory Rx averages 1.0 from 1 ratings.

### Do Davis’s Drug Guide for Nurses or Memory Rx have ads?

Davis’s Drug Guide for Nurses shows ads; Memory Rx does not.

### Which is updated more often, Davis’s Drug Guide for Nurses or Memory Rx?

Davis’s Drug Guide for Nurses ships an update every 2 months, and Memory Rx every 5 weeks. Most recently, Davis’s Drug Guide for Nurses was updated on October 29, 2026 and Memory Rx on October 7, 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.*