# Derm DDx vs 247dermatologist

The clearest difference is rating: 247dermatologist at 5.0 against Derm DDx's 4.3. 247dermatologist also leads on in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 5 months). Derm DDx's advantage is ratings volume (6 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Derm DDx sells 1 one-off in-app purchase. 247dermatologist asks for nothing beyond the download.

247dermatologist holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Derm DDx ships an update every 5 months, 247dermatologist every 2 weeks. Both last shipped on October 17, 2026.

## The numbers

| Metric | Derm DDx | 247dermatologist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/derm-ddx/id6499524221/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/247dermatologist/id6502832944/reviews)** |
| Number of ratings | **6** | 2 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 59 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [247dermatologist](https://appshunter.io/developer/1746929502) |

## What reviewers say

### Derm DDx

[App page](https://appshunter.io/ios/app/derm-ddx/id6499524221)

This app provides visual, point-of-care guidance for diagnosing skin disorders. It features a large database of high-resolution images, allowing users to compare variations, zoom in, and access clinical history and treatment options for over 160 dermatologic conditions.

**Highlights:** 650+ high-quality dermatology images, Guidance for 160+ dermatologic conditions, Side-by-side image variations, Zoomable high-resolution images, Clinical history and treatment options, Cross-referencing to differential diagnoses, Full text search and custom notes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dermatology DDx | $69.99 | one-time |


### 247dermatologist

[App page](https://appshunter.io/ios/app/247dermatologist/id6502832944)

Get fast, reliable advice for skin concerns from Dutch-certified dermatologists. Upload photos and describe your issue via a questionnaire to receive expert recommendations within hours, 24/7. Follow-up support is also available.

**Highlights:** 24/7 online dermatologist access, Upload photos and questionnaire, Expert advice within hours, Personalized treatment plans, Follow-up support, Treats all skin conditions

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

**In-app purchases:** none


## Frequently asked questions

### Is Derm DDx free?

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

### Is 247dermatologist free?

247dermatologist is free to download, with no in-app purchases.

### Which has better reviews, Derm DDx or 247dermatologist?

247dermatologist is rated higher. Derm DDx averages 4.3 out of 5 from 6 ratings, while 247dermatologist averages 5.0 from 2 ratings.

### Do Derm DDx or 247dermatologist have ads?

Neither Derm DDx nor 247dermatologist shows ads.

### Which is updated more often, Derm DDx or 247dermatologist?

Derm DDx ships an update every 5 months, and 247dermatologist every 2 weeks. Most recently, Derm DDx was updated on October 17, 2026 and 247dermatologist 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.*