# VisualDx vs PCNM Mobile for iPhone

The clearest difference is in-app purchases: PCNM Mobile for iPhone at none against VisualDx's 11. PCNM Mobile for iPhone also leads on iOS requirement (9.3 vs 16.4). VisualDx's advantage is update cadence (fortnightly vs every 55 months) and chart position (#27 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. VisualDx sells 11 in-app purchases, starting at $39.99 per month. PCNM Mobile for iPhone asks for nothing beyond the download.

VisualDx ships an update fortnightly, PCNM Mobile for iPhone every 55 months. The most recent releases landed on October 19, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | VisualDx | PCNM Mobile for iPhone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (186 ratings)](https://appshunter.io/ios/app/visualdx/id348177521/reviews)** | — |
| Number of ratings | **186** | — |
| Positive reviews | 84.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 55 months |
| Monetization | Subscription | — |
| Best chart rank | **#27** | — |
| Size | 220 MB | 3 MB |
| Requires iOS | 16.4 | **9.3** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Logical Images](https://appshunter.io/developer/348177524) | [Clinisys Inc.](https://appshunter.io/developer/1736669224) |

## What reviewers say

### VisualDx

[App page](https://appshunter.io/ios/app/visualdx/id348177521)

**Currently charting:** #27 Top Grossing · Medical (US App Store)

This visual reference tool aids medical professionals in improving patient engagement and diagnostic accuracy. It utilizes AI and a vast image atlas to help build custom differentials, share patient-specific images, and access comprehensive diagnostic information. Earn continuing education credits while making better medical decisions.

**Highlights:** Build custom differentials, Engage patients with visual aids, Improve diagnostic accuracy, Access therapy and test options, Recognize infectious diseases, Earn CME credits

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete (1 Month) | $39.99 | per month |
| VisualDx Core Monthly | $39.99 | per month |
| Complete+DermExpert (1 Month) | $49.99 | per month |
| VisualDx Elite Monthly | $49.99 | per month |
| Add DermExpert (1 Year) | $99.99 | per year |
| Complete (1 Year) | $149.99 | per year |
| VisualDx Core Annual | $249.99 | per year |
| VisualDx Elite Annual | $299.99 | per year |
| Complete+DermExpert (1 Year) | $499.99 | per year |
| Add DermExpert (1 yr) | $99.99 | one-time |
| Complete (1 yr) | $399.99 | one-time |

**What reviewers like**

- 📸 Excellent clinical images and kodachromes
- 👍 User-friendly interface and easy navigation
- 🎓 Comprehensive differential diagnosis tool
- 📚 Detailed disease summaries and treatment information
- 🌍 Inclusive representation of skin of color

**What reviewers complain about**

- 💰 Expensive subscription cost
- ❌ Difficult subscription cancellation process
- 🐛 App crashes and performance issues
- 📱 Quiz feature laggy and unreliable
- 😤 Poor customer service responsiveness

**Reported bugs**

- App crashes when using quiz feature
- CME credit claiming functionality fails
- Subscription cancellation not processed
- Renewal charges despite cancellation requests
- Quiz unable to load properly

**Requested features**

- Make app free again (previously free)
- Simplify subscription cancellation in-app
- Improve quiz functionality for mobile
- Add quiz feature to desktop version
- Expand patient information handouts


### PCNM Mobile for iPhone

[App page](https://appshunter.io/ios/app/pcnm-mobile-for-iphone/id984135614)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VisualDx free?

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

### Is PCNM Mobile for iPhone free?

PCNM Mobile for iPhone is free to download, with no in-app purchases.

### Do VisualDx or PCNM Mobile for iPhone have ads?

Neither VisualDx nor PCNM Mobile for iPhone shows ads.

### Which is updated more often, VisualDx or PCNM Mobile for iPhone?

VisualDx ships an update fortnightly, and PCNM Mobile for iPhone every 55 months. Most recently, VisualDx was updated on October 19, 2026 and PCNM Mobile for iPhone on October 1, 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.*