# Diseases & Disorders vs Chronic Diseases

The clearest difference is in-app purchases: Chronic Diseases at none against Diseases & Disorders's 1. Chronic Diseases also leads on ads (none vs shown) and update cadence (every 6 months vs every 12 months). Diseases & Disorders's advantage is chart position (#189 vs unranked). On price and device support there is nothing between them.

Both are free to download. Diseases & Disorders sells 1 one-off in-app purchase. Chronic Diseases asks for nothing beyond the download.

Diseases & Disorders ships an update every 12 months, Chronic Diseases every 6 months. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Diseases & Disorders | Chronic Diseases |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (21 ratings)](https://appshunter.io/ios/app/diseases-and-disorders/id1005059571/reviews)** | — |
| Number of ratings | **21** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 6 months** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#189** | — |
| Size | 10 MB | 41 MB |
| Requires iOS | 15.0 | **7.1** |
| Devices | iPhone, iPad, iPod | 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

### Diseases & Disorders

[App page](https://appshunter.io/ios/app/diseases-and-disorders/id1005059571)

**Currently charting:** #189 Top Grossing · Medical (US App Store)

A comprehensive medical reference covering over 240 diseases and disorders. It provides detailed information on causes, assessment, diagnosis, treatment, and discharge planning, with special sections on global health and health disparities. Includes pharmacologic highlights and evidence-based practice information.

**Highlights:** Coverage of 240+ diseases and disorders, Detailed entries: causes, assessment, diagnosis, treatment, Pharmacologic Highlights for common drugs, Global Health Considerations, Evidence-Based Practice sections, Advanced Search and Favorites, Personalization tools: Highlighting and Notes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diseases & Disorders | $48.99 | one-time |


### Chronic Diseases

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diseases & Disorders free?

Diseases & Disorders 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 Diseases & Disorders or Chronic Diseases have ads?

Diseases & Disorders shows ads; Chronic Diseases does not.

### Which is updated more often, Diseases & Disorders or Chronic Diseases?

Diseases & Disorders ships an update every 12 months, and Chronic Diseases every 6 months. Most recently, Diseases & Disorders 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.*