# VisualDx vs PneumoRecs VaxAdvisor

The clearest difference is review sentiment: VisualDx at 84% against PneumoRecs VaxAdvisor's 27%. VisualDx also leads on rating (4.4 vs 3.4) and update cadence (fortnightly vs every 3 months). PneumoRecs VaxAdvisor's advantage is in-app purchases (none vs 11). 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. PneumoRecs VaxAdvisor asks for nothing beyond the download.

VisualDx holds the better App Store score, 4.4 against 3.4. Both are backed by a comparable volume of ratings — 186 and 60 respectively. Written reviews point the same way: 84% of VisualDx's written reviews are positive against 27% of PneumoRecs VaxAdvisor's.

VisualDx ships an update fortnightly, PneumoRecs VaxAdvisor every 3 months. The most recent releases landed on September 29, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | VisualDx | PneumoRecs VaxAdvisor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (186 ratings)](https://appshunter.io/ios/app/visualdx/id348177521/reviews)** | [3.4 (60 ratings)](https://appshunter.io/ios/app/pneumorecs-vaxadvisor/id1440647099/reviews) |
| Number of ratings | **186** | 60 |
| Positive reviews | **84.3% of reviews** | 26.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#13** | — |
| Size | 226 MB | 6 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Logical Images](https://appshunter.io/developer/348177524) | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) |

## What reviewers say

### VisualDx

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

**Currently charting:** #13 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


### PneumoRecs VaxAdvisor

[App page](https://appshunter.io/ios/app/pneumorecs-vaxadvisor/id1440647099)

This application offers personalized pneumococcal vaccination guidance based on patient age, vaccination history, and medical conditions. It aligns with the Advisory Committee on Immunization Practices' recommendations for U.S. immunization schedules.

**Highlights:** Patient-specific vaccination recommendations, Age-based guidance, Vaccination history tracking, Underlying medical condition prompts, U.S. immunization schedule compliance

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

**In-app purchases:** none


## Frequently asked questions

### Is VisualDx free?

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

### Is PneumoRecs VaxAdvisor free?

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

### Which has better reviews, VisualDx or PneumoRecs VaxAdvisor?

VisualDx is rated higher. VisualDx averages 4.4 out of 5 from 186 ratings, while PneumoRecs VaxAdvisor averages 3.4 from 60 ratings.

### Do VisualDx or PneumoRecs VaxAdvisor have ads?

Neither VisualDx nor PneumoRecs VaxAdvisor shows ads.

### Which is updated more often, VisualDx or PneumoRecs VaxAdvisor?

VisualDx ships an update fortnightly, and PneumoRecs VaxAdvisor every 3 months. Most recently, VisualDx was updated on September 29, 2026 and PneumoRecs VaxAdvisor on August 28, 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.*