# Dermoscopy Two Step Algorithm vs ModMed Practice Add

The clearest difference is review sentiment: Dermoscopy Two Step Algorithm at 100% against ModMed Practice Add's 27%. Dermoscopy Two Step Algorithm also leads on rating (4.6 vs 2.4) and monetization model (free vs subscription). ModMed Practice Add's advantage is update cadence (every 9 days vs every 5 months) and ratings volume (145 vs 10). On price, ads and in-app purchases there is nothing between them.

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

Dermoscopy Two Step Algorithm holds the better App Store score, 4.6 against 2.4. That said, the two scores are not equally well evidenced: ModMed Practice Add has 145 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 100% of Dermoscopy Two Step Algorithm's written reviews are positive against 27% of ModMed Practice Add's.

Dermoscopy Two Step Algorithm ships an update every 5 months, ModMed Practice Add every 9 days. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Dermoscopy Two Step Algorithm | ModMed Practice Add |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/dermoscopy-two-step-algorithm/id731753300/reviews)** | [2.4 (145 ratings)](https://appshunter.io/ios/app/modmed-practice-add-on/id1099369997/reviews) |
| Number of ratings | 10 | **145** |
| Positive reviews | **100.0% of reviews** | 26.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | **Free** | Subscription |
| Size | 220 MB | 425 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 17+ |
| Developer | [Usatine & Erickson Media LLC](https://appshunter.io/developer/1466894388) | [Modernizing Medicine, Inc.](https://appshunter.io/developer/387022758) |

## What reviewers say

### Dermoscopy Two Step Algorithm

[App page](https://appshunter.io/ios/app/dermoscopy-two-step-algorithm/id731753300)

This app guides healthcare professionals in interpreting dermoscopic patterns to identify skin lesions. It uses a series of questions and provides over 80 images and charts to aid in diagnosis. Interactive cases are included for practice.

**Highlights:** Dermoscopic pattern interpretation, Question-based diagnostic guidance, Over 80 photos and charts, 50 interactive diagnostic cases, Offline functionality, Melanocytic and non-melanocytic lesion analysis

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

**In-app purchases:** none


### ModMed Practice Add

[App page](https://appshunter.io/ios/app/modmed-practice-add-on/id1099369997)

This companion app enhances a subscription-based medical practice management system. It offers additional functionality for users, enabling real-time data recording by patients and staff during visits to automate documentation.

**Highlights:** Companion application, Additional user functionality, Real-time data recording, Patient data capture, Automated documentation, iPad native application

**In-app purchases:** none


## Frequently asked questions

### Is Dermoscopy Two Step Algorithm free?

Dermoscopy Two Step Algorithm is free to download, with no in-app purchases.

### Is ModMed Practice Add free?

ModMed Practice Add is free to download, with no in-app purchases.

### Which has better reviews, Dermoscopy Two Step Algorithm or ModMed Practice Add?

Dermoscopy Two Step Algorithm is rated higher. Dermoscopy Two Step Algorithm averages 4.6 out of 5 from 10 ratings, while ModMed Practice Add averages 2.4 from 145 ratings.

### Do Dermoscopy Two Step Algorithm or ModMed Practice Add have ads?

Neither Dermoscopy Two Step Algorithm nor ModMed Practice Add shows ads.

### Which is updated more often, Dermoscopy Two Step Algorithm or ModMed Practice Add?

Dermoscopy Two Step Algorithm ships an update every 5 months, and ModMed Practice Add every 9 days. Most recently, Dermoscopy Two Step Algorithm was updated on September 11, 2026 and ModMed Practice Add on September 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.*