# JDJ Diagnostics vs PathoPlay

The clearest difference is in-app purchases: JDJ Diagnostics at none against PathoPlay's 1. JDJ Diagnostics also leads on iOS requirement (10.0 vs 15.1). PathoPlay's advantage is update cadence (every 11 days vs every 47 months). On price, ads and device support there is nothing between them.

Both are free to download. PathoPlay sells 1 one-off in-app purchase. JDJ Diagnostics asks for nothing beyond the download.

JDJ Diagnostics ships an update every 47 months, PathoPlay every 11 days. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | JDJ Diagnostics | PathoPlay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pathoplay-pathophysiology/id6761776544/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 146 MB | 58 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Mukon](https://appshunter.io/developer/657403106) | [Helena Kaso](https://appshunter.io/developer/1856743234) |

## What reviewers say

### JDJ Diagnostics

[App page](https://appshunter.io/ios/app/jdj-diagnostics/id1381370758)

**Features:** macOS Compatibility

**In-app purchases:** none


### PathoPlay

[App page](https://appshunter.io/ios/app/pathoplay-pathophysiology/id6761776544)

Learn disease and drug mechanisms through interactive puzzles. Connect molecular cascades, identify drug targets, and understand how disruptions lead to illness across 10 body systems. Offers daily challenges and offline access.

**Highlights:** Mechanism-based learning, Interactive puzzles, Disease and drug tracing, Daily challenges, Offline access, 10 body systems covered

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PathoPlay Premium | $12.99 | one-time |


## Frequently asked questions

### Is JDJ Diagnostics free?

JDJ Diagnostics is free to download, with no in-app purchases.

### Is PathoPlay free?

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

### Do JDJ Diagnostics or PathoPlay have ads?

Neither JDJ Diagnostics nor PathoPlay shows ads.

### Which is updated more often, JDJ Diagnostics or PathoPlay?

JDJ Diagnostics ships an update every 47 months, and PathoPlay every 11 days. Most recently, JDJ Diagnostics was updated on October 3, 2026 and PathoPlay on October 17, 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.*