# VisualDx vs About Herbs

The clearest difference is in-app purchases: About Herbs at none against VisualDx's 11. About Herbs also leads on iOS requirement (12.0 vs 16.4). VisualDx's advantage is update cadence (fortnightly vs every 14 months) and rating (4.4 vs 4.0). On price, ratings volume, 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. About Herbs asks for nothing beyond the download.

VisualDx holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 186 and 83 respectively. Written reviews point the same way: 84% of VisualDx's written reviews are positive against 67% of About Herbs's.

VisualDx ships an update fortnightly, About Herbs every 14 months. The most recent releases landed on September 23, 2026 and August 11, 2026 respectively.

## The numbers

| Metric | VisualDx | About Herbs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (186 ratings)](https://appshunter.io/ios/app/visualdx/id348177521/reviews)** | [4.0 (83 ratings)](https://appshunter.io/ios/app/about-herbs/id554267162/reviews) |
| Number of ratings | **186** | 83 |
| Positive reviews | **84.3% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 14 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#11** | — |
| Size | 226 MB | 59 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Logical Images](https://appshunter.io/developer/348177524) | [Memorial Sloan Kettering Cancer Center](https://appshunter.io/developer/554267165) |

## What reviewers say

### VisualDx

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

**Currently charting:** #11 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


### About Herbs

[App page](https://appshunter.io/ios/app/about-herbs/id554267162)

Access objective, scientifically referenced information on herbs, botanicals, and supplements. Explore purported benefits, side effects, and drug interactions. Save favorites for offline use and discuss with your physician for safe integration into your health plan.

**Highlights:** 290+ entries on herbs, botanicals, supplements, Purported benefits, side effects, drug interactions, Scientifically referenced information, Formatted for professionals and consumers, Search by herb or supplement, Save favorites for offline access, Weekly updates

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📚 Extensive information on herbs
- 🧑‍⚕️ Useful for healthcare professionals
- 💡 Comprehensive and detailed content
- ✅ Evidence-based information
- 🆓 Free to use

**What reviewers complain about**

- 🐛 Search function not working
- 🐛 Alphabetical index not jumping
- 🐛 App crashes on startup
- 🐛 App not opening on iPad
- 🐛 Bookmarking crashes app

**Reported bugs**

- Search tab not functioning
- Selecting letters on right sidebar does not jump
- Search doesn't work
- When clicking alphabetized index letters, no results are returned
- App not functioning, gives an error

**Requested features**

- Continue updating the program
- Update the app
- Bring back offline mode
- Fix for landscape mode
- Search by symptoms


## Frequently asked questions

### Is VisualDx free?

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

### Is About Herbs free?

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

### Which has better reviews, VisualDx or About Herbs?

VisualDx is rated higher. VisualDx averages 4.4 out of 5 from 186 ratings, while About Herbs averages 4.0 from 83 ratings.

### Do VisualDx or About Herbs have ads?

Neither VisualDx nor About Herbs shows ads.

### Which is updated more often, VisualDx or About Herbs?

VisualDx ships an update fortnightly, and About Herbs every 14 months. Most recently, VisualDx was updated on September 23, 2026 and About Herbs on August 11, 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.*