# Davis's Drug Guide vs Chronic Diseases

The clearest difference is in-app purchases: Chronic Diseases at none against Davis's Drug Guide's 3. Chronic Diseases also leads on iOS requirement (7.1 vs 15.0). Davis's Drug Guide's advantage is update cadence (every 6 weeks vs every 6 months) and chart position (#10 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Davis's Drug Guide sells 3 in-app purchases, starting at $34.99 per year. Chronic Diseases asks for nothing beyond the download.

Davis's Drug Guide ships an update every 6 weeks, Chronic Diseases every 6 months. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Davis's Drug Guide | Chronic Diseases |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9.2K ratings)](https://appshunter.io/ios/app/daviss-drug-guide-nurses/id301427093/reviews)** | — |
| Number of ratings | **9.2K** | — |
| Positive reviews | 72.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Subscription | — |
| Best chart rank | **#10** | — |
| Size | 14 MB | 41 MB |
| Requires iOS | 15.0 | **7.1** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [rahul baweja](https://appshunter.io/developer/804610215) |

## What reviewers say

### Davis's Drug Guide

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

**Currently charting:** #10 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 (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drug Interactions | $34.99 | per year |
| 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


### Chronic Diseases

[App page](https://appshunter.io/ios/app/chronic-diseases/id1086355241)

**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 Chronic Diseases free?

Chronic Diseases is free to download, with no in-app purchases.

### Do Davis's Drug Guide or Chronic Diseases have ads?

Neither Davis's Drug Guide nor Chronic Diseases shows ads.

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

Davis's Drug Guide ships an update every 6 weeks, and Chronic Diseases every 6 months. Most recently, Davis's Drug Guide was updated on September 24, 2026 and Chronic Diseases on September 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.*