# JCAD vs Top Derm

The clearest difference is review sentiment: JCAD at 100% against Top Derm's 60%. JCAD also leads on rating (5.0 vs 4.5) and ads (none vs shown). Top Derm's advantage is update cadence (every 6 weeks vs every 9 months) and ratings volume (59 vs 1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JCAD holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Top Derm has 59 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of JCAD's written reviews are positive against 60% of Top Derm's.

JCAD ships an update every 9 months, Top Derm every 6 weeks. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | JCAD | Top Derm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jcad/id630827146/reviews)** | [4.5 (59 ratings)](https://appshunter.io/ios/app/top-derm/id1505608766/reviews) |
| Number of ratings | 1 | **59** |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 87 MB | 248 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Matrix Medical Communications](https://appshunter.io/developer/991783027) | [Relevate Health Group, LLC](https://appshunter.io/developer/1786280213) |

## What reviewers say

### JCAD

[App page](https://appshunter.io/ios/app/jcad/id630827146)

This peer-reviewed medical journal provides dermatologists with up-to-date, evidence-based information on clinical and aesthetic dermatology. It features original research, practical discussions, comprehensive reviews, and commentaries from leading experts.

**Highlights:** Peer-reviewed publication, Evidence-based information, Original research, Comprehensive reviews, Expert editorial leadership, Indexed on major databases

**Features:** macOS Compatibility

**In-app purchases:** none


### Top Derm

[App page](https://appshunter.io/ios/app/top-derm/id1505608766)

This game is designed for dermatologists by dermatologists, offering a fun and challenging way to learn and identify skin disorders. It features medically accurate imagery and neuroscience-based game mechanics to enhance knowledge retention.

**Highlights:** Medically accurate derm imagery, Neuroscience-based game mechanics, Earn CME credits, Wide variety of dermatology topics, Customizable topic selection, High-resolution imagery with zoom, Personal expertise tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JCAD free?

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

### Is Top Derm free?

Top Derm is free to download, with no in-app purchases.

### Which has better reviews, JCAD or Top Derm?

JCAD is rated higher. JCAD averages 5.0 out of 5 from 1 ratings, while Top Derm averages 4.5 from 59 ratings.

### Do JCAD or Top Derm have ads?

Top Derm shows ads; JCAD does not.

### Which is updated more often, JCAD or Top Derm?

JCAD ships an update every 9 months, and Top Derm every 6 weeks. Most recently, JCAD was updated on September 30, 2026 and Top Derm on October 15, 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.*